A triangle and a parallelogram have the same area and the same base. The height of the triangle is 8 cm, what is the height of the parallelogram in cm?
一个三角形与一个平行四边形面积相等，底也相等．三角形的高是8厘米，平行四边形的高是多少厘米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 8</gadget>
<output>4</output>

<result>4</result>