triangular wheat field has a base of 400 meters and a height of 150 meters. The harvest of wheat per hectare is 7,500 kilograms. How many tons of wheat are harvested in this field?
一块三角形的麦田底是400米，高是150米，每公顷收小麦7500千克，这块地一共收小麦多少吨？
<gadget id="calculator">150 / 2 / 10_000</gadget>
<output>3/400 = around 0.0075</output>

<gadget id="calculator">7_500 / 1_000</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">400 * (3/400) * (15/2)</gadget>
<output>45/2 = around 22.5</output>

<result>45/2 = around 22.5</result>