The length of a base of a triangle is 15 cm, and its corresponding height is 8 cm. What is the area of a parallelogram equal to its base and height in square centimeters?
一个三角形的一条底边长是15厘米，它对应的高是8厘米，与它等底等高的一个平行四边形的面积是多少平方厘米．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">15 * 4 * 2</gadget>
<output>120</output>

<result>120</result>