There are 12 people in the first workshop of a children's clothing factory, and each person produces 4 sets of children's clothing per day on average. How many sets were produced in April?
某童装厂第一车间有12人，平均每人每天生产童装4套，四月份共生产多少套？
<gadget id="calculator">12 * 4 * 30</gadget>
<output>1_440</output>

<result>1_440</result>