If a/(7/8)=b*(7/8) (ab is a natural number not equal to zero), then a:b=how much.
如果a/(7/8)=b*(7/8)(ab都是不等于零的自然数)，那么a：b=多少．
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">8 / 7</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">(7/8) / (8/7)</gadget>
<output>49/64 = around 0.765625</output>

<result>49/64 = around 0.765625</result>