The base of a triangle is 1.2dm, the height is 0.6dm, what is the area of a parallelogram with the same base and height as dm**2.
一个三角形的底是1.2dm，高是0.6dm，与它等底等高的平行四边形的面积是多少dm**2．
<gadget id="calculator">0.6 / 2</gadget>
<output>0.3</output>

<gadget id="calculator">1.2 * 0.3 * 2</gadget>
<output>0.72</output>

<result>0.72</result>