The current price of a color TV is 1800 yuan, which is 1/6 lower than the original price. How much is the original price?
一台彩电，现价1800元，比原来降低了(1/6)，原来的售价是多少元？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1_800 / (5/6)</gadget>
<output>2_160</output>

<result>2_160</result>