The price of an air conditioner after a 20% discount is 1900 yuan. What is the original price of this air conditioner?
一台空调，打八折后的价格是1900元，这台空调的原价是多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_900 / (4/5)</gadget>
<output>2_375</output>

<result>2_375</result>