If a parallelogram has a base of 1.2 meters and a height of 0.8 meters, what is the area in square meters of a triangle with the same base and height?
一个平行四边形，底是1.2米，高是0.8米，与它等底等高的三角形的面积是多少平方米．
<gadget id="calculator">0.8 / 2</gadget>
<output>0.4</output>

<gadget id="calculator">1.2 * 0.4</gadget>
<output>0.48</output>

<result>0.48</result>