2 sheep can be exchanged for 6 rabbits, 6 sheep can be exchanged for 3 camels, and 4 camels can be exchanged for how many rabbits.
2只羊可以换6只兔子，6只羊可以换3头骆驼，4头骆驼可以换多少只兔子．
<gadget id="calculator">4 * 6</gadget>
<output>24</output>

<result>24</result>