一道数学题：老王装修新房铺地板，求可以退多少钱？
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2\u300140*\uff081+4%\uff09-\uff3b25-\uff0825*5%+1.4)\uff3d=19.25\u4e07
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绛旓細锛2绠*1.79+1.79/18*2鍧楋級*(230+40)+(3*3+1)*30=1020.3+300=1320.3鍏
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