Uncle Liu brought 1,000 yuan to buy fertilizer. After buying 12 bags of the same chemical fertilizer, there is still 40 yuan left. How much is each bag of fertilizer?
刘叔叔带1000元钱买化肥．买过12袋同样的化肥后，还剩40元钱．每袋化肥多少钱？
<gadget id="calculator">1_000 - 40</gadget>
<output>960</output>

<gadget id="calculator">960 / 12</gadget>
<output>80</output>

<result>80</result>