There are 3 roads from the teacher's home to the shopping mall, and 3 roads from the shopping mall to the school. Please count for the teacher. How many roads do I have from home to school?
老师家到商场有3条路，从商场再到学校也有3条路，请你帮老师数一数，我从家到学校一共有几条路？
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>