Yuexing Primary School has 96 computers this year, an increase of 20% over last year. How many computers did Yuexing Primary School have last year?
月星小学今年有电脑96台，比去年增加20%，月星小学去年有电脑多少台？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">96 / (6/5)</gadget>
<output>80</output>

<result>80</result>