Lili’s electricity consumption in June was 72 degrees, which was 3/9 less than in May. How much electricity was used in May?
丽丽家六月份用电72度，比五月份节约了(3/9)，五月份用电多少度？
<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">72 / (2/3)</gadget>
<output>108</output>

<result>108</result>