Uncle Zhang sprayed pesticides on 360 fruit trees from 8:00 a.m. to 12:00 noon. How many trees does he spray on average every hour?
张叔叔从上午8时到中午12时一共给360棵果树喷洒农药，他平均每个小时喷洒多少棵？
<gadget id="calculator">12 - 8</gadget>
<output>4</output>

<gadget id="calculator">360 / 4</gadget>
<output>90</output>

<result>90</result>