A department store sells a sample TV set. If it is sold at a 10% discount, the mall will earn 180 yuan; if it is sold at a 25% discount, the mall will lose 120 yuan. How much is the price of this TV?
百货商场出售一台样品电视机，如果按定价的九折出售，商场挣180元；如果按七五折卖出，商场赔120元．这台电视机的定价是多少元？
<result>2_000</result>