There are 5 boys in the art group, and the number of girls is three times that of boys. How many people are there in the art group?
美术组有5名男生，女生人数是男生的3倍，美术组一共有多少人．
<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">15 + 5</gadget>
<output>20</output>

<result>20</result>