A washing machine is priced at 1,200 yuan after a 20% discount, so how much is the original price?
一台洗衣机打了八折后的售价1200为元，那么原价为多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_200 / (4/5)</gadget>
<output>1_500</output>

<result>1_500</result>