Yanta Primary School has 120 computers this year, an increase of (1/4) compared to last year. How many computers did the school have last year?
雁塔小学今年有120台电脑，比去年增加了(1/4)，学校去年拥有多少台电脑？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">120 / (5/4)</gadget>
<output>96</output>

<result>96</result>