The supermarket sold 4 boxes of thermos cups in a week, 12 thermos cups in each box, each at 50 yuan. How much did you buy in the supermarket?
超市一周卖出了4箱保温杯，每箱保温杯12个，每个50元．超市一共买了多少元？
<gadget id="calculator">12 * 4 * 50</gadget>
<output>2_400</output>

<result>2_400</result>