The base of the parallelogram is 0.6m and the height is 0.4m. What is the area of the triangle with the same base and height?
平行四边形的底是0.6m，高0.4m，与它等底等高的三角形面积是多少．
<gadget id="calculator">0.4 / 2</gadget>
<output>0.2</output>

<gadget id="calculator">0.6 * 0.2</gadget>
<output>0.12</output>

<result>0.12</result>