What is the number from 9, 11, 13, 15, 17... to the 100th.
9、11、13、15、17…到第100个数是多少．
<gadget id="calculator">100 - 1</gadget>
<output>99</output>

<gadget id="calculator">99 * 2</gadget>
<output>198</output>

<gadget id="calculator">9 + 198</gadget>
<output>207</output>

<result>207</result>