The area of a triangle is 60 square centimeters. If both the base and the height are doubled, what is the area in square centimeters?
一个三角形的面积是60平方厘米，如果底和高都扩大到原来的2倍，它的面积是多少平方厘米．
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">60 * 4</gadget>
<output>240</output>

<result>240</result>