Uncle Li wants to buy a house. If you pay in one lump sum, you will get a 3% discount; if you pay in installments, you will have to increase the price by 5%. Uncle Li did the math and found that there was a difference of 12,000 yuan between the two payment methods. How much is the original price of this suite?
李叔叔要买一套住房，如果一次性付款，则优惠3%；如果分期付款，则要加价5%．李叔叔算了算，发现两种付款方式相差12000元．这套房原价多少元？
<result>15</result>