There are 12 female students and 3 male students in the dance group of the school. How many students are there in total? There are 5 students in each row, how many rows can they be arranged in?
学校舞蹈组有12个女同学和3个男同学，一共有多少个同学？每排有5个同学，可以排成几排？
<gadget id="calculator">12 + 3</gadget>
<output>15</output>

<gadget id="calculator">15 / 5</gadget>
<output>3</output>

<result>3</result>