There are 27 people in the aircraft model interest group, which is an increase (1/8) from the original number. How many people are there in the aircraft model group?
航模兴趣小组有27人，比原来人数增加了(1/8)，航模小组原有多少人？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">27 / (9/8)</gadget>
<output>24</output>

<result>24</result>