The school gymnastics team has 240 members, which is 30 people less than three times the number of the dance team. How many members does the dance team have?
学校体操队有队员240人，比舞蹈队人数的3倍少30人，舞蹈队有队员多少人？
<gadget id="calculator">240 + 30</gadget>
<output>270</output>

<gadget id="calculator">270 / 3</gadget>
<output>90</output>

<result>90</result>