There are 15 students participating in children's calligraphy, and the number of people participating in the chorus is 7 times that of participating in children's calligraphy. How many students are there in the choir?
参加儿童书法的有15名学生，参加合唱队的人数是参加儿童书法人数的7倍．参加合唱队有多少名学生？
<gadget id="calculator">15 * 7</gadget>
<output>105</output>

<result>105</result>