There are 258 white rabbits in the farm, 18 more than 1.2 times the number of gray rabbits. How many gray rabbits are there? (column equation solution)
养殖场有258只白兔，比灰兔只数的1.2倍还多18只．灰兔有多少只？(列方程解答)
<gadget id="calculator">258 - 18</gadget>
<output>240</output>

<gadget id="calculator">240 / 1.2</gadget>
<output>200</output>

<result>200</result>