A chicken farm raises 240 hens, and raising 42 more hens is three times the number of roosters. How many roosters does this chicken farm raise?
某养鸡场，养了240只母鸡，再养42只母鸡就是所养公鸡只数的3倍，这个养鸡场养了多少只公鸡？
<gadget id="calculator">240 + 42</gadget>
<output>282</output>

<gadget id="calculator">282 / 3</gadget>
<output>94</output>

<result>94</result>