If the base of a parallelogram is doubled and the height tripled, the area will be enlarged to the original (how many times
一个平行四边形的底扩大到原来的2倍，高扩大到原来的3倍，面积就扩大到原来的(多少倍
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>