The capacity of a box of fresh milk is 250ml. A 6-month-old baby needs to drink 1 liter of fresh milk every day to ensure healthy growth. How many boxes of this kind of fresh milk do a pair of 6-month-old twin babies drink in total every day?
一盒鲜奶的容量是250毫升，一个6个月大的婴儿每天要喝1升鲜奶才能保证健康成长．一对6个月大的双胞胎婴儿每天一共要喝多少盒这样的鲜奶．
<gadget id="calculator">1_000 / 250</gadget>
<output>4</output>

<gadget id="calculator">1 * 2 * 4</gadget>
<output>8</output>

<result>8</result>