Plant pears in an orchard that is 400 meters long and twice as long as it is wide. The production of pears per hectare is 2500 kilograms. How many kilograms of pears can this orchard produce?
在一个长400米，长是宽的2倍的果园里种梨子．每公顷产梨子2500千克，这个果园可以产梨子多少千克？
<gadget id="calculator">400 / 2 / 10_000</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">2_500 * 400 * (1/50)</gadget>
<output>20_000</output>

<result>20_000</result>