A department store sells a sample washing machine. If it is sold at 10% off the price, the store will earn 80 yuan; if it is sold at 25% off, the store will lose 70 yuan. What is the price of this washing machine?
百货商场出售一台样品洗衣机，如果按定价的九折卖出，商场挣80元；如果按七五折卖出，商场则赔70元，这台洗衣机的定价是多少元？
<gadget id="calculator">70 + 80</gadget>
<output>150</output>

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

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

<gadget id="calculator">(9/10) - (3/4)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">150 / (3/20)</gadget>
<output>1_000</output>

<result>1_000</result>