The base of a triangular vegetable field is 400 meters, and the height is 1.5 times the base. If 25 tons of cabbage can be harvested per hectare, how many tons of cabbage can be harvested in this vegetable field?
一块三角形菜地的底是400米，高是底的1.5倍．如果每公顷能收25吨白菜，这块菜地一共可以收多少吨白菜？
<gadget id="calculator">1 * 10_000</gadget>
<output>10_000</output>

<gadget id="calculator">1.5 / 2 / 10_000</gadget>
<output>0.000075</output>

<gadget id="calculator">400 * 400 * 0.000075 * 25</gadget>
<output>300</output>

<result>300</result>