Uncle Wang brought 700 yuan to buy rice. I bought 16 bags of rice, leaving 60 yuan. How much is the price per bag of rice?
王伯伯带700元买大米．买了16袋大米，剩60元．每袋大米的价钱是多少？
<gadget id="calculator">700 - 60</gadget>
<output>640</output>

<gadget id="calculator">640 / 16</gadget>
<output>40</output>

<result>40</result>