The sum of five consecutive odd numbers is 75, the smallest of which is one.
五个连续奇数的和是75，其中最小的是一个多少．
<gadget id="calculator">75 - 2 - 4 - 6 - 8</gadget>
<output>55</output>

<gadget id="calculator">1 + 1 + 1 + 1 + 1</gadget>
<output>5</output>

<gadget id="calculator">55 / 5</gadget>
<output>11</output>

<result>11</result>