The area of a triangle is 80 square centimeters. The base of a parallelogram is twice the triangle and the height is three times the height of the triangle. What is the area of the parallelogram in square centimeters?
一个三角形的面积是80平方厘米，一个平行四边形的底是这个三角形的2倍，高是这个三角形高的3倍，这个平行四边形的面积是多少平方厘米．
<gadget id="calculator">80 * 2 * 2 * 3</gadget>
<output>960</output>

<result>960</result>