It has been 4 days to transport 184.5 tons of grain, an average of 22.5 tons per day, and the remaining 3 days are finished, how many tons per day on average?
要运粮食184.5吨，已经运了4天，平均每天运22.5吨，余下的3天运完，平均每天运多少吨？
<gadget id="calculator">22.5 * 4</gadget>
<output>90</output>

<gadget id="calculator">184.5 - 90</gadget>
<output>94.5</output>

<gadget id="calculator">94.5 / 3</gadget>
<output>31.5</output>

<result>31.5</result>