Farmers apply chemical fertilizers to wheat. A total of 675 kg of chemical fertilizers are applied to a rectangular wheat field with a length of 200 meters and a width of 150 meters. How many kilograms of chemical fertilizers are applied on average per hectare?
农民给小麦施化肥，在一块长200米，宽150米的长方形小麦地里共施化肥675千克，平均每公顷施化肥多少千克？
<gadget id="calculator">150 / 10_000</gadget>
<output>3/200 = around 0.015</output>

<gadget id="calculator">200 * (3/200)</gadget>
<output>3</output>

<gadget id="calculator">675 / 3</gadget>
<output>225</output>

<result>225</result>