The school bought 5 boxes of pens, 12 pens in each box, and 14 yuan each. How much does it cost in total?
学校买来5盒钢笔，每盒12枝，每枝14元，一共要付多少钱？
<gadget id="calculator">5 * 12 * 14</gadget>
<output>840</output>

<result>840</result>