A triangular fish pond with a bottom of 600 meters and a height equal to half of the bottom. This fish pond requires an average of 3.2 tons of fish feed per hectare. How many tons of fish feed does this fish pond need to put in total?
一个三角形鱼池，底是600米，高相当于底的一半，这个鱼池平均每公顷需要放鱼饲料3.2吨．这个鱼池一共需要放多少吨鱼饲料？
<gadget id="calculator">600 / 2</gadget>
<output>300</output>

<gadget id="calculator">300 / 2 / 10_000</gadget>
<output>3/200 = around 0.015</output>

<gadget id="calculator">600 * (3/200) * 3.2</gadget>
<output>28.8</output>

<result>28.8</result>