Children's Day is coming soon, and Xingfu Supermarket sold 286 lanterns in 4 days. How many lanterns are sold on average per day?
六一快到了，幸福超市4天卖了286个灯笼，平均每天大约卖出多少个灯笼？
<gadget id="calculator">286 / 4</gadget>
<output>143/2 = around 71.5</output>

<result>143/2 = around 71.5</result>