According to Li Ka-shing, there are now 27 people in the art group of Great International Primary School, an increase of 12.5% from the original number. How many people were there in the art group?
听李嘉诚说，格瑞特国际小学美术小组现在有27人，比原来人数增加了12.5%，美术小组原来有多少人？
<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">1 + 0.125</gadget>
<output>1.125</output>

<gadget id="calculator">27 / 1.125</gadget>
<output>24</output>

<result>24</result>