Students in four classes of the fifth grade of Experimental Primary School volunteered to plant trees. 25 trees were planted in each class, and the purchase of saplings cost a total of 1,100 yuan. How much is each sapling?
实验小学五年级四个班学生义务植树．每班植了25棵，购买树苗共花了1100元，每棵树苗多少钱？
<gadget id="calculator">4 * 25</gadget>
<output>100</output>

<gadget id="calculator">1_100 / 100</gadget>
<output>11</output>

<result>11</result>