Calculation: 0.1+0.2+0.3+...+0.8+0.9+0.10+0.11+0.12+...+0.98+0.99+1.00=how much.
计算：0.1+0.2+0.3+…+0.8+0.9+0.10+0.11+0.12+…+0.98+0.99+1.00=多少．
<gadget id="calculator">0.1 + 0.9</gadget>
<output>1</output>

<gadget id="calculator">9 / 2</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">1 * (9/2)</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">0.1 + 1</gadget>
<output>1.1</output>

<gadget id="calculator">91 / 2</gadget>
<output>91/2 = around 45.5</output>

<gadget id="calculator">1.1 * (91/2)</gadget>
<output>50.05</output>

<gadget id="calculator">(9/2) + 50.05</gadget>
<output>54.55</output>

<result>54.55</result>