A washing machine is 300 yuan lower than the original price after being sold with a 10% discount. How much is the current price?
一台洗衣机，打九折销售后比原价降低了300元，现价多少钱？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">300 / (1/10)</gadget>
<output>3_000</output>

<gadget id="calculator">3_000 - 300</gadget>
<output>2_700</output>

<result>2_700</result>