There are 4 ways to go from A to B, and 3 ways to go from B to C, so how many different ways are there to go from A to C?
从甲地到乙地有4条路可走，从乙地到丙地有3条路可走，那么从甲地到丙地有多少种不同的走法？
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<result>12</result>