A trapezoidal paddy field has an upper base of 25 meters, a lower base of 55 meters, and a height of 60 meters. If 0.2 kg of fertilizer is applied per square meter, how many kg of fertilizer should be applied to this paddy field?
一块梯形稻田，上底是25米，下底是55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">25 + 55</gadget>
<output>80</output>

<gadget id="calculator">60 / 2</gadget>
<output>30</output>

<gadget id="calculator">80 * 30</gadget>
<output>2_400</output>

<gadget id="calculator">2_400 * 0.2</gadget>
<output>480</output>

<result>480</result>