Mom bought 50 pears and ate 22. The rest is going to be eaten in 4 days. How many pears do you eat per day on average?
妈妈买了50个梨，吃了22个，剩下的准备4天吃完，平均每天吃多少个？
<gadget id="calculator">50 - 22</gadget>
<output>28</output>

<gadget id="calculator">28 / 4</gadget>
<output>7</output>

<result>7</result>