((1/3)+(1/6)+(1/10)+(1/15))+((2/3)+(2/6)+(2/10)+(2/15) )+((3/6)+(3/10)+(3/15))+((4/10)+(4/15))+(5/15)=how much.
((1/3)+(1/6)+(1/10)+(1/15))+((2/3)+(2/6)+(2/10)+(2/15))+((3/6)+(3/10)+(3/15))+((4/10)+(4/15))+(5/15)=多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/3) + (1/6) + (1/10) + (1/15)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">(2/3) + (1/3) + (1/5) + (2/15)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">3 / 15</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/2) + (3/10) + (1/5)</gadget>
<output>1</output>

<gadget id="calculator">4 / 10</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">(2/5) + (4/15)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">5 / 15</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/3) + (4/3) + 1 + (2/3) + (1/3)</gadget>
<output>4</output>

<result>4</result>