A rectangular paddy field is 990 meters long and 600 meters wide. The average yield of rice per hectare is 6,750 kilograms. How many kilograms of rice can be harvested in this field?
一块长方形稻田，长990米，宽600米，平均每公顷收稻谷6750千克，这块地共可收稻谷多少千克？
<gadget id="calculator">600 / 10_000</gadget>
<output>3/50 = around 0.06</output>

<gadget id="calculator">6_750 * 990 * (3/50)</gadget>
<output>400_950</output>

<result>400_950</result>