A right-angled triangle vegetable field has a base of 200 meters and a height of 180 meters. If the triangle is drawn on paper at a scale of 1:5000, what is the area in square centimeters of the vegetable field?
一块直角三角形的菜地，底是200米，高是180米，如果按1：5000的比例尺把这个三角形画在纸上，这块菜地的图上面积是多少平方厘米？
<gadget id="calculator">1 / 5_000</gadget>
<output>1/5_000 = around 0.0002</output>

<gadget id="calculator">200 * 100 * (1/5_000) * 180 * 100 * (1/5_000)</gadget>
<output>72/5 = around 14.4</output>

<result>72/5 = around 14.4</result>