Hongxing Primary School uses 120 degrees of electricity in April and 96 degrees in May. What percentage is the electricity consumption saved in May compared with April?
红星小学四月份用电120度，五月份用电96度．五月份用电比四月份节约百分之几？
<gadget id="calculator">120 - 96</gadget>
<output>24</output>

<gadget id="calculator">24 / 120</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>