There are 15 girls in the calligraphy group, and the number of boys is three times that of girls. How many people are there in the calligraphy group?
书法组有15名女生，男生人数是女生的3倍，书法组一共有多少人．
<gadget id="calculator">15 * 3</gadget>
<output>45</output>

<gadget id="calculator">45 + 15</gadget>
<output>60</output>

<result>60</result>