There are 184 graduates from Fulin Primary School this year, 15% more than last year. How many people graduated last year?
富林小学今年毕业的有184人，比去年多15%，去年有多少人毕业．
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 + (3/20)</gadget>
<output>23/20 = around 1.15</output>

<gadget id="calculator">184 / (23/20)</gadget>
<output>160</output>

<result>160</result>