(1/17)*(5/6)+(5/9)*(4/17)+(5/18)*(6/17).
(1/17)*(5/6)+(5/9)*(4/17)+(5/18)*(6/17)．
<gadget id="calculator">1 / 17</gadget>
<output>1/17 = around 0.058824</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(1/17) * (5/6)</gadget>
<output>5/102 = around 0.04902</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">4 / 17</gadget>
<output>4/17 = around 0.235294</output>

<gadget id="calculator">(5/9) * (4/17)</gadget>
<output>20/153 = around 0.130719</output>

<gadget id="calculator">5 / 18</gadget>
<output>5/18 = around 0.277778</output>

<gadget id="calculator">6 / 17</gadget>
<output>6/17 = around 0.352941</output>

<gadget id="calculator">(5/18) * (6/17)</gadget>
<output>5/51 = around 0.098039</output>

<gadget id="calculator">(5/102) + (20/153) + (5/51)</gadget>
<output>5/18 = around 0.277778</output>

<result>5/18 = around 0.277778</result>