parallelogram-shaped rice field has a base of 90 meters and a height of 60 meters. If 0.2 kilograms of fertilizer is applied per square meter, how many kilograms of fertilizer should be applied to this rice field?
一块平行四边形形稻田，底是90米，高60米，如果每平方米施肥0.2千克，这块稻田需施肥多少千克？
<gadget id="calculator">90 * 60</gadget>
<output>5_400</output>

<gadget id="calculator">0.2 * 5_400</gadget>
<output>1_080</output>

<result>1_080</result>