The current price of a motorcycle is 2400 yuan, which is 1/7 lower than the original price. How much is the original price of the motorcycle?
一辆摩托车现价2400元，比原价降低了(1/7)，摩托车的原价多少元？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 - (1/7)</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">2_400 / (6/7)</gadget>
<output>2_800</output>

<result>2_800</result>