11 consecutive odd numbers, the first number is (5/7) of the tenth number, then what is the sum of these 11 numbers.
11个连续奇数，第一数是第十个数的(5/7)，那么这11个数和是多少．
<gadget id="calculator">90 / 2</gadget>
<output>45</output>

<gadget id="calculator">11 * 45</gadget>
<output>495</output>

<gadget id="calculator">2 * 9</gadget>
<output>18</output>

<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20</gadget>
<output>110</output>

<gadget id="calculator">495 + 110</gadget>
<output>605</output>

<result>605</result>