Li Jia wants to buy a refrigerator. The price of the refrigerator is 2690 yuan, and the government subsidizes 15%. How much should Li Jia pay?
李佳要买一台冰箱，冰箱的售价是2690元，政府补贴15%，李佳应付多少元．
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">2_690 * (17/20)</gadget>
<output>4_573/2 = around 2_286.5</output>

<result>4_573/2 = around 2_286.5</result>