There are a total of 48 people in class 31, 32 people subscribed to "Primary School Student Composition", 24 people subscribed to "Juvenile Science and Technology", and each person subscribed to at least one of them. How many people subscribed to both magazines?
三1班有共有48人，32人订阅了《小学生作文》，有24人订阅《少年科技》，每人至少订阅其中的一种，两种杂志都订阅的有几人？
<gadget id="calculator">24 - 48</gadget>
<output>-24</output>

<gadget id="calculator">32 + (-24)</gadget>
<output>8</output>

<result>8</result>