A bicycle now sells for 240 yuan, equivalent to (6/7) of the original price. How much is the original price.
一辆自行车现在售价240元，相当于原价的(6/7)．原价是多少元．
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">240 / (6/7)</gadget>
<output>280</output>

<result>280</result>