A parallelogram and a triangle have the same area and height, and the base of the triangle is 24 cm. What is the base of the parallelogram in cm?
一个平行四边形与一个三角形面积相等高相等，三角形的底是24厘米，则平行四边形的底多少厘米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 24</gadget>
<output>12</output>

<result>12</result>