If the base of a triangle is doubled and the height is tripled, how many times the area of the triangle is now?
一个三角形的底扩大2倍，高扩大3倍，现在三角形的面积是原来的多少倍．
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>