A trapezoidal field is ready to plant soybeans, the upper bottom is 15 meters, the lower bottom is 8 meters longer than the upper bottom, and the height is 6 meters. On average, each bean sprout covers an area of 4 square decimeters. How many bean sprouts can be planted in this land?
一块梯形的地准备种植大豆，上底15米，下底比上底长8米，高6米．平均每棵豆苗占地4平方分米，这块地一共可以种豆苗多少棵？
<gadget id="calculator">15 + 15 + 8</gadget>
<output>38</output>

<gadget id="calculator">6 / 2 / 0.04</gadget>
<output>75</output>

<gadget id="calculator">38 * 75</gadget>
<output>2_850</output>

<result>2_850</result>