Calculation: 0.01+0.02+0.03+...+0.09+0.10+0.11+0.12+...+0.98+0.99=how much.
计算：0.01+0.02+0.03+…+0.09+0.10+0.11+0.12+…+0.98+0.99=多少．
<gadget id="calculator">99 + 1</gadget>
<output>100</output>

<gadget id="calculator">99 / 2 / 100</gadget>
<output>99/200 = around 0.495</output>

<gadget id="calculator">100 * (99/200)</gadget>
<output>99/2 = around 49.5</output>

<result>99/2 = around 49.5</result>