The children go to the playground to do exercises. The students in Class 1, Grade 2 are lined up. There are 5 people in front of Fang Fang, and the number of students behind her is three times that of the front. How many people are there in this row?
小朋友们去操场做操，二年级1班的同学排成一排，方方的前面有5人，她后面的同学是前面的3倍，这一排一共有多少人？
<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">5 + 15 + 1</gadget>
<output>21</output>

<result>21</result>