Column formula and calculation: divide 8/7 by 7/8.
列式并计算：7分之8除以8分之7．
<gadget id="calculator">8 / 7</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">(8/7) / (7/8)</gadget>
<output>64/49 = around 1.306122</output>

<result>64/49 = around 1.306122</result>