Find the sum of all natural numbers within 500 that are not divisible by 11.
求500以内所有不被11整除的自然数的和．
<gadget id="calculator">501 * 250</gadget>
<output>125_250</output>

<gadget id="calculator">45 / 2</gadget>
<output>45/2 = around 22.5</output>

<gadget id="calculator">11 * 46 * (45/2)</gadget>
<output>11_385</output>

<gadget id="calculator">125_250 - 11_385</gadget>
<output>113_865</output>

<result>113_865</result>