All 96 students in the fifth grade have subscribed to the publications, 64 have subscribed to the children's yearbook, and 48 have subscribed to the elementary school student newspaper. How many people have subscribed to both?
五年级96名学生都订了刊物，有64人订了少儿年刊，有48人订了小学生报，问两种都订的多少人？
<gadget id="calculator">48 - 96</gadget>
<output>-48</output>

<gadget id="calculator">64 + (-48)</gadget>
<output>16</output>

<result>16</result>