There are 4 different paths from A to B, and 6 different paths from B to C. So how many different roads are there from A to B to C?
从甲地到乙地有4条不同的路，从乙地到丙地有6条不同的路．那么从甲地经乙地到丙地共有多少不同的路？
<gadget id="calculator">4 * 6</gadget>
<output>24</output>

<result>24</result>