A parallelogram with a base of 1.407 meters and a height of 2 meters is the area of a triangle with the same base and height in square meters.
一个平行四边形底是1.407米，高是2米，与它等底等高的三角形的面积是多少平方米．
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">1.407 * 1</gadget>
<output>1.407</output>

<result>1.407</result>