If the base of a parallelogram is 0.85 meters and the height is 2 meters, what is the area in square meters of the triangle with the same base and height?
一个平行四边形的底是0.85米，高2米，和它等底等高的三角形的面积是多少平方米．
<gadget id="calculator">0.85 * 2</gadget>
<output>1.7</output>

<gadget id="calculator">1.7 / 2</gadget>
<output>0.85</output>

<result>0.85</result>