There are 18 boys in the school dance team, and the number of girls is 4 times that of boys. How many people are there in the dance team?
学校舞蹈队有男生18人，女生人数是男生的4倍，舞蹈队一共有多少人？
<gadget id="calculator">18 * 4</gadget>
<output>72</output>

<gadget id="calculator">18 + 72</gadget>
<output>90</output>

<result>90</result>