If a washing machine is sold with a 20% discount, it will earn 80 yuan, and if it is sold with a 25% discount, it will lose 40 yuan. How much is the original price of this washing machine?
一台洗衣机若打八折销售则赚80元，若打七五折则要亏40元，这台洗衣机原价多少元？
<gadget id="calculator">80 + 40</gadget>
<output>120</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(4/5) - (3/4)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">120 / (1/20)</gadget>
<output>2_400</output>

<result>2_400</result>