The triangle and the parallelogram have the same base and the same area, the height of the triangle is 15cm, what is the height of the parallelogram in cm
三角形和平行四边形的底相等，面积也相等，三角形的高是15cm，平行四边形的高是多少cm
<gadget id="calculator">15 / 2</gadget>
<output>15/2 = around 7.5</output>

<result>15/2 = around 7.5</result>