There are 165 white rabbits in the farm, which is 3 times less than gray rabbits. How many gray rabbits are there?
饲养场有白兔165只，比灰兔的4倍少3只，灰兔有多少只？
<gadget id="calculator">165 + 3</gadget>
<output>168</output>

<gadget id="calculator">168 / 4</gadget>
<output>42</output>

<result>42</result>