The mass of 2 sheep is equal to the mass of 6 cats, the mass of 1 cat is equal to the mass of 4 rabbits, and the mass of 3 sheep is equal to that of rabbits.
2只羊的质量与6只猫的质量相等，1只猫的质量与4只兔的质量相等，3只羊与多少只兔的质量相等．
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 * 4 * 3</gadget>
<output>36</output>

<result>36</result>