triangular paddy field has a height of 60 meters and a base 1.5 times the height. What is the area of the paddy field in square meters?
一块三角形稻田，高是60米，底是高的1.5倍，这块稻田的面积是多少平方米？
<gadget id="calculator">60 / 2</gadget>
<output>30</output>

<gadget id="calculator">60 * 1.5 * 30</gadget>
<output>2_700</output>

<result>2_700</result>