There are 3 roads from Xiaoyu's house to Children's Palace, and 3 roads from Children's Palace to Taiyang Palace, so how many roads are there in total from Xiaoyu's house to Taiyang Palace?
从小宇家到少年宫有3条路，从少年宫到太阳宫也有3条路，那么从小宇家到太阳宫一共有多少条路可走．
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>