There were 25 groups in total, and each group planted 5 saplings. It cost 2,500 yuan to buy saplings, how much is each sapling?
一共有25个小组，每个小组种了5棵树苗．购买树苗花了2500元，每棵树苗多少钱？
<gadget id="calculator">5 * 25</gadget>
<output>125</output>

<gadget id="calculator">2_500 / 125</gadget>
<output>20</output>

<result>20</result>