(4-(17/39)*9)+(5-(17/39)*8)+(6-(17/39)*7)+(7-(17/39)*6)+(8 -(17/39)*5)+(9-(17/39)*4)=how much.
(4-(17/39)*9)+(5-(17/39)*8)+(6-(17/39)*7)+(7-(17/39)*6)+(8-(17/39)*5)+(9-(17/39)*4)=多少．
<gadget id="calculator">17 / 39</gadget>
<output>17/39 = around 0.435897</output>

<gadget id="calculator">(17/39) * 9</gadget>
<output>51/13 = around 3.923077</output>

<gadget id="calculator">4 - (51/13)</gadget>
<output>1/13 = around 0.076923</output>

<gadget id="calculator">(17/39) * 8</gadget>
<output>136/39 = around 3.487179</output>

<gadget id="calculator">5 - (136/39)</gadget>
<output>59/39 = around 1.512821</output>

<gadget id="calculator">(17/39) * 7</gadget>
<output>119/39 = around 3.051282</output>

<gadget id="calculator">6 - (119/39)</gadget>
<output>115/39 = around 2.948718</output>

<gadget id="calculator">(17/39) * 6</gadget>
<output>34/13 = around 2.615385</output>

<gadget id="calculator">7 - (34/13)</gadget>
<output>57/13 = around 4.384615</output>

<gadget id="calculator">(17/39) * 5</gadget>
<output>85/39 = around 2.179487</output>

<gadget id="calculator">8 - (85/39)</gadget>
<output>227/39 = around 5.820513</output>

<gadget id="calculator">(17/39) * 4</gadget>
<output>68/39 = around 1.74359</output>

<gadget id="calculator">9 - (68/39)</gadget>
<output>283/39 = around 7.25641</output>

<gadget id="calculator">(1/13) + (59/39) + (115/39) + (57/13) + (227/39) + (283/39)</gadget>
<output>22</output>

<result>22</result>