(8/49)/((9/8)-((1/8)+(3/7))).
(8/49)/((9/8)-((1/8)+(3/7)))．
<gadget id="calculator">8 / 49</gadget>
<output>8/49 = around 0.163265</output>

<gadget id="calculator">9 / 8</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">(1/8) + (3/7)</gadget>
<output>31/56 = around 0.553571</output>

<gadget id="calculator">(9/8) - (31/56)</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">(8/49) / (4/7)</gadget>
<output>2/7 = around 0.285714</output>

<result>2/7 = around 0.285714</result>