The grain station shipped 350 tons of rice, and after selling it for a week, there were 147 tons left. How many tons of rice are sold per day on average?
粮站运来350吨大米，卖了一个星期后，还剩下147吨，平均每天卖出大米多少吨？
<gadget id="calculator">350 - 147</gadget>
<output>203</output>

<gadget id="calculator">203 / 7</gadget>
<output>29</output>

<result>29</result>