There is a square orchard with a side length of 100 meters. If the average area of each tree is 4 square meters, how many trees can be planted in this orchard?
现有一个边长是100米的正方形果园，如果平均每棵树占地面积为4平方米，那么这个果园可以种多少树？
<gadget id="calculator">100 / 4</gadget>
<output>25</output>

<gadget id="calculator">100 * 25</gadget>
<output>2_500</output>

<result>2_500</result>