A farm raises 270 white rabbits, and the number of black rabbits is 18 more than 40 times the number of white rabbits. How many black rabbits are raised in this farm?
一个饲养场养白兔270只，养黑兔的只数比白兔只数的40倍多18只，请问这个饲养场养黑兔多少只？
<gadget id="calculator">270 * 40</gadget>
<output>10_800</output>

<gadget id="calculator">10_800 + 18</gadget>
<output>10_818</output>

<result>10_818</result>