when I try to run 'composer install' into my folder /web I got this problem triggered, can anyone tell me how to install all of this extensions, please?
Problem 1 - Installation request for magento/framework 101.0.6 -> satisfiable by magento/framework[101.0.6]. - magento/framework 101.0.6 requires ext-bcmath * -> the requested PHP extension bcmath is missing from your system. Problem 2 - Installation request for magento/product-community-edition 2.2.6 -> satisfiable by magento/product-community-edition[2.2.6]. - magento/product-community-edition 2.2.6 requires ext-bcmath * -> the requested PHP extension bcmath is missing from your system. Problem 3 - Installation request for vertex/module-tax 2.1.10 -> satisfiable by vertex/module-tax[2.1.10]. - vertex/module-tax 2.1.10 requires ext-soap * -> the requested PHP extension soap is missing from your system. Problem 4 - Installation request for zendframework/zend-soap 2.7.0 -> satisfiable by zendframework/zend-soap[2.7.0]. - zendframework/zend-soap 2.7.0 requires ext-soap * -> the requested PHP extension soap is missing from your system. Problem 5 - magento/framework 101.0.6 requires ext-bcmath * -> the requested PHP extension bcmath is missing from your system. - owebia/magento2-module-advanced-setting-core 2.1.0 requires magento/framework ^100.0|^101.0 -> satisfiable by magento/framework[101.0.6]. - Installation request for owebia/magento2-module-advanced-setting-core 2.1.0 -> satisfiable by owebia/magento2-module-advanced-setting-core[2.1.0]. To enable extensions, verify that they are enabled in your .ini files: - /etc/php/7.1/cli/php.ini - /etc/php/7.1/cli/conf.d/10-mysqlnd.ini - /etc/php/7.1/cli/conf.d/10-opcache.ini - /etc/php/7.1/cli/conf.d/10-pdo.ini - /etc/php/7.1/cli/conf.d/15-xml.ini - /etc/php/7.1/cli/conf.d/20-calendar.ini - /etc/php/7.1/cli/conf.d/20-ctype.ini - /etc/php/7.1/cli/conf.d/20-curl.ini - /etc/php/7.1/cli/conf.d/20-dom.ini - /etc/php/7.1/cli/conf.d/20-exif.ini - /etc/php/7.1/cli/conf.d/20-fileinfo.ini - /etc/php/7.1/cli/conf.d/20-ftp.ini - /etc/php/7.1/cli/conf.d/20-gd.ini - /etc/php/7.1/cli/conf.d/20-gettext.ini - /etc/php/7.1/cli/conf.d/20-iconv.ini - /etc/php/7.1/cli/conf.d/20-intl.ini - /etc/php/7.1/cli/conf.d/20-json.ini - /etc/php/7.1/cli/conf.d/20-mbstring.ini - /etc/php/7.1/cli/conf.d/20-mcrypt.ini - /etc/php/7.1/cli/conf.d/20-mysqli.ini - /etc/php/7.1/cli/conf.d/20-pdo_mysql.ini - /etc/php/7.1/cli/conf.d/20-pdo_sqlite.ini - /etc/php/7.1/cli/conf.d/20-phar.ini - /etc/php/7.1/cli/conf.d/20-posix.ini - /etc/php/7.1/cli/conf.d/20-readline.ini - /etc/php/7.1/cli/conf.d/20-shmop.ini - /etc/php/7.1/cli/conf.d/20-simplexml.ini - /etc/php/7.1/cli/conf.d/20-sockets.ini - /etc/php/7.1/cli/conf.d/20-sqlite3.ini - /etc/php/7.1/cli/conf.d/20-sysvmsg.ini - /etc/php/7.1/cli/conf.d/20-sysvsem.ini - /etc/php/7.1/cli/conf.d/20-sysvshm.ini - /etc/php/7.1/cli/conf.d/20-tokenizer.ini - /etc/php/7.1/cli/conf.d/20-wddx.ini - /etc/php/7.1/cli/conf.d/20-xmlreader.ini - /etc/php/7.1/cli/conf.d/20-xmlwriter.ini - /etc/php/7.1/cli/conf.d/20-xsl.ini You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.