The base of a parallelogram is 8 cm and the height is 5 cm. If the base and height of a parallelogram are enlarged by 3 times, how many times will the area be enlarged?
一个平行四边形底是8厘米，高是5厘米，如果把它的底和高都扩大3倍，那么面积扩大多少倍
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>