他们要求这三款的总金额不少于1800的翻译：They called for the total amount of the three not less than 1800 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

They require all three of the total amount of not less than 1800

They called for the total amount of the three not less than 1800

They request these three section aggregate amounts many in 1800

They called for the total amount of 3, not less than 1800

They called for the total amount of the three not less than 1800