Liu Ning's electricity bill in June was 120 yuan, an increase of 25% compared to May. How much is the electricity bill in May?
刘宁家6月份的电费是120元，比五月份增加了25%，五月份的电费是多少元？
<gadget id="calculator">25 / 100</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>