The ratio of the number of people in the mathematics interest group to the chorus group is 5:8, and the chorus group has 48 more people than the mathematics interest group, so how many people are there in the mathematics group?
数学兴趣组与合唱组的人数比是5：8，合唱组比数学兴趣组多48人，则数学组有多少人．
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">48 / 3</gadget>
<output>16</output>

<gadget id="calculator">16 * 5</gadget>
<output>80</output>

<result>80</result>