How many ways are there to take arbitrarily selected numbers from the seven numbers 23, 65, 35, 96, 18, 82, and 70 and add them together, and the sum is an integer multiple of 11?
从23、65、35、96、18、82、70这七个数中任意取出若干个数相加，其中和是11的整数倍的取法有多少种．
<gadget id="calculator">4 + 6 + 1</gadget>
<output>11</output>

<result>11</result>