(((9/10)-(12/12)+2.6/26)/((25/27)-(1/9)))/18.75.
(((9/10)-(12/12)+2.6/26)/((25/27)-(1/9)))/18.75．
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">12 / 12</gadget>
<output>1</output>

<gadget id="calculator">(9/10) - 1</gadget>
<output>-1/10 = around -0.1</output>

<gadget id="calculator">2.6 / 26</gadget>
<output>0.1</output>

<gadget id="calculator">(-1/10) + 0.1</gadget>
<output>0</output>

<gadget id="calculator">25 / 27</gadget>
<output>25/27 = around 0.925926</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">(25/27) - (1/9)</gadget>
<output>22/27 = around 0.814815</output>

<gadget id="calculator">0 / (22/27)</gadget>
<output>0</output>

<gadget id="calculator">0 / 18.75</gadget>
<output>0</output>

<result>0</result>