There are 50 triangular salt pans of the same size in the Binhai Salt Field, each of which has a bottom length of 80 meters and a height of 60 meters. How many hectares do these salt pans cover in total?
滨海盐场有50块同样大小的三角形盐田，每块盐田的底长80米，高60米．这些盐田一共占地多少公顷？
<gadget id="calculator">60 / 2</gadget>
<output>30</output>

<gadget id="calculator">50 / 10_000</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">80 * 30 * (1/200)</gadget>
<output>12</output>

<result>12</result>