A forest farm used sprayers to spray trees, and 3 sprayers sprayed 300 trees in 4 hours. According to this calculation, how many trees can a sprayer spray per hour?
一个林场用喷雾器给树喷药，3台喷雾器4小时喷了300棵．照这样计算，一台喷雾器每小时可以喷多少棵？
<gadget id="calculator">300 / 4 / 3</gadget>
<output>25</output>

<result>25</result>