The sum of two consecutive odd numbers is 20, what is the larger odd number?
两个连续奇数的和是20，其中大的一个奇数是多少
<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<result>11</result>