There are 18 people in the calligraphy group of the school, twice as many people in the art group as the calligraphy group, and 16 more people in the dance group than the calligraphy and art groups. How many people are there in the dance group?
学校书法组有18人，美术组的人数是书法组的2倍，舞蹈组比书法、美术组的总人数多16人，舞蹈组有多少人？
<gadget id="calculator">18 * 2</gadget>
<output>36</output>

<gadget id="calculator">18 + 36 + 16</gadget>
<output>70</output>

<result>70</result>