What is the calculation result of 0.1+0.3+0.5+0.7+0.9+0.11+0.13+…+0.49?
0.1+0.3+0.5+0.7+0.9+0.11+0.13+…+0.49的计算结果是多少．
<gadget id="calculator">0.1 + 0.9</gadget>
<output>1</output>

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">1 * (5/2)</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">0.11 + 0.49</gadget>
<output>0.6</output>

<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">0.6 * 10</gadget>
<output>6</output>

<gadget id="calculator">(5/2) + 6</gadget>
<output>17/2 = around 8.5</output>

<result>17/2 = around 8.5</result>