A box of milk is 1.9 yuan. Xiaoming’s family ordered a month in August, one box per day. How much does it cost?
一盒牛奶1.9元，小明家8月份订了一个月，每天一盒，需要付多少钱？
<gadget id="calculator">1.9 * 31</gadget>
<output>58.9</output>

<result>58.9</result>