The school bought prizes for students who performed well. They bought 4 boxes of pencils, 12 pencils in each box, and each pencil cost 4 yuan. How much did you spend in total?
学校为表现好的同学买奖品，买了4盒铅笔，每盒12支，每支4元．一共用了多少元？
<gadget id="calculator">4 * 12</gadget>
<output>48</output>

<gadget id="calculator">4 * 48</gadget>
<output>192</output>

<result>192</result>