Ximen Primary School is going to buy 25 boxes of pens to reward outstanding students. There are 12 pens in each box, and each pen is 4 yuan. How much will it cost?
西门小学准备买25盒笔奖励优秀学生，每盒里面有12支笔，每支笔4元，共需花费多少钱？
<gadget id="calculator">25 * 12 * 4</gadget>
<output>1_200</output>

<result>1_200</result>