The village needs to spray pesticides on a wheat field that is 1450 meters long and 900 meters wide, with an average of 160 kilograms of pesticides per hectare. How many tons of pesticides are needed in total?
村里要给长1450米，宽900米的麦田喷洒农药，平均每公顷用药160千克，一共需要多少吨农药？
<gadget id="calculator">900 / 10_000 / 1_000</gadget>
<output>9/100_000 = around 0.00009</output>

<gadget id="calculator">160 * 1_450 * (9/100_000)</gadget>
<output>522/25 = around 20.88</output>

<result>522/25 = around 20.88</result>