The fruit shop brought in 180 boxes, sold them for 3 days, and left 6 boxes. How many boxes are sold per day on average?
水果店运进180箱，卖了3天，还剩6箱，平均每天卖多少箱？
<gadget id="calculator">180 - 6</gadget>
<output>174</output>

<gadget id="calculator">174 / 3</gadget>
<output>58</output>

<result>58</result>