Xiao Min's house uses 80 degrees of electricity in January and 70 degrees in February. What percentage is the electricity consumption saved in February compared with January?
小敏家一月份用电80度，二月份用电70度．二月份比一月份节约用电百分之几？
<gadget id="calculator">80 - 70</gadget>
<output>10</output>

<gadget id="calculator">10 / 80</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>