In a trapezoidal rice field, the lengths of the two parallel sides are 25 meters and 19 meters respectively, and the distance between the two sides is 12 meters. If 0.14 kg of fertilizer is applied per square meter, how many kg of fertilizer is needed for this paddy field?
一块梯形稻田，平行的两边长分别为25米、19米，这两条边间的距离为12米．如果每平方米施肥料0.14千克，这块稻田共需肥料多少千克？
<gadget id="calculator">19 + 25</gadget>
<output>44</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">44 * 6 * 0.14</gadget>
<output>36.96</output>

<result>36.96</result>