A piece of clothing is priced at 200 yuan. If you sell it at 90% of the price, you can earn 40 yuan. If you sell it at 70% of the price, will you make money or lose money? How much money did you make or lose?
一件衣服售价200元，如果按定价的90%出售可赚40元，如果按定价的70%出售，是赚钱还是亏本？赚成亏多少钱？
<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<result>7/10 = around 0.7</result>