Experimental Primary School has 125 transfer students this year, which is 1/4 more than last year. How many transfer students were there last year?
实验小学，今年有插班生125人，比去年多招了(1/4)，去年有插班生多少人？
<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">125 / (5/4)</gadget>
<output>100</output>

<result>100</result>