If the base of a parallelogram is 4 meters and the height is 3 meters, what is the area of the triangle with the same base and height?
一个平行四边形的底是4米，高是3米，与它等底等高的三角形的面积是多少．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">4 * (3/2)</gadget>
<output>6</output>

<result>6</result>