rectangular vegetable field is 241 meters long and 160 meters wide. There is a triangular pool in the middle of the land. The bottom of the pool is 16 meters long and 20 meters high. What is the actual planting area of this land?
一块长方形菜地，长241米，宽160米．在这块地的中间有一个三角形的水池，水池底长16米，高20米，这块地实际种植面积是多大？
<gadget id="calculator">241 * 160</gadget>
<output>38_560</output>

<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">16 * 10</gadget>
<output>160</output>

<gadget id="calculator">38_560 - 160</gadget>
<output>38_400</output>

<result>38_400</result>