Uncle Wang brought 700 yuan to buy fertilizer. He bought 16 bags and left 60 yuan. How much is each bag of fertilizer?
王叔叔带了700元去买化肥，买了16袋，还剩60元，每袋化肥多少元？
<gadget id="calculator">700 - 60</gadget>
<output>640</output>

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

<result>40</result>