The school bought back 18 boxes of chalk, 36 boxes in each box, and 4 yuan for each box of chalk. How much did you spend in total?
学校买回18箱粉笔，每箱36盒，每盒粉笔4元，一共用了多少元？
<gadget id="calculator">4 * 36 * 18</gadget>
<output>2_592</output>

<result>2_592</result>