A certain washing machine in the store is sold at a fixed price, and each machine can make a profit of 400 yuan. Now selling 10 units at 20% off the price, the profit you can get is the same as selling 15 units at a price reduction of 300 yuan per unit. How much is the price of each washing machine?
商店某种洗衣机按定价出售，每台可以获利400元．现在按定价的八折出售10台，所能获得的利润，与按定价每台减价300元出售15台所得的利润一样．洗衣机每台定价多少元？
<gadget id="calculator">400 - 300</gadget>
<output>100</output>

<gadget id="calculator">15 / 10</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">100 * (3/2)</gadget>
<output>150</output>

<gadget id="calculator">400 - 150</gadget>
<output>250</output>

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

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">250 / (1/5)</gadget>
<output>1_250</output>

<result>1_250</result>