Uncle Liu brought 700 yuan to buy chemical fertilizers, bought 15 bags of chemical fertilizers, and left 100 yuan, how much is each bag of chemical fertilizers?
刘叔叔带700元买化肥，买了15袋化肥，剩下100元，每袋化肥多少钱？
<gadget id="calculator">700 - 100</gadget>
<output>600</output>

<gadget id="calculator">600 / 15</gadget>
<output>40</output>

<result>40</result>