The fruit wholesale market brought in 5 carloads of apples, each with 169 boxes, and sold a total of 408 boxes in 3 days. How many boxes are left?
水果批发市场运进5车苹果，每车169箱，3天共卖出408箱，还剩多少箱？
<gadget id="calculator">169 * 5</gadget>
<output>845</output>

<gadget id="calculator">845 - 408</gadget>
<output>437</output>

<result>437</result>