The grain store originally had 23 tons of rice, but another 40 tons were shipped in. The rice was planned to be sold out in 9 days. How many tons of rice were sold on average every day?
粮店原有大米23吨，又运来40吨，这些大米计划9天卖完，平均每天卖出大米多少吨．
<gadget id="calculator">23 + 40</gadget>
<output>63</output>

<gadget id="calculator">63 / 9</gadget>
<output>7</output>

<result>7</result>