The experimental primary school saved electricity (1/8) in May compared with April, which is exactly 20 degrees. How much electricity was used in April?
实验小学五月份比四月份节约用电(1/8)，正好节约了20度，四月份用电多少度？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">20 / (1/8)</gadget>
<output>160</output>

<result>160</result>