Each basketball is 98 yuan. Each basketball is more expensive than a football (2/7). How much is each football?
篮球每个98元，每个篮球比足球贵(2/7)，每个足球多少元？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 + (2/7)</gadget>
<output>9/7 = around 1.285714</output>

<gadget id="calculator">98 / (9/7)</gadget>
<output>686/9 = around 76.222222</output>

<result>686/9 = around 76.222222</result>