0.1+0.3+0.5+...+0.95+0.97+0.99．
0.1+0.3+0.5+…+0.95+0.97+0.99．
<gadget id="calculator">1 + 9</gadget>
<output>10</output>

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

<gadget id="calculator">0.1 * 10 * (5/2)</gadget>
<output>2.5</output>

<gadget id="calculator">11 + 99</gadget>
<output>110</output>

<gadget id="calculator">45 / 2</gadget>
<output>45/2 = around 22.5</output>

<gadget id="calculator">0.01 * 110 * (45/2)</gadget>
<output>24.75</output>

<gadget id="calculator">2.5 + 24.75</gadget>
<output>27.25</output>

<result>27.25</result>