A parallelogram has the same area and height as a triangle. If the base of the triangle is 12 cm, what is the base of the parallelogram in cm?
一个平行四边形与三角形的面积和高相等．如果三角形的底是12厘米，那么平行四边形的底是多少厘米．
<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<result>6</result>