There are two groups of numbers. The sum of the 16 numbers in the first group is 98, the average of the second group is 11, and the average of all the numbers in the two groups is 8. How many numbers are there in the second group?
有两组数，第一组16个数的和是98，第二组的平均数是11，两组中所有数的平均数是8，则第二组有多少个数．
<gadget id="calculator">16 * 8</gadget>
<output>128</output>

<gadget id="calculator">128 - 98</gadget>
<output>30</output>

<gadget id="calculator">11 - 8</gadget>
<output>3</output>

<gadget id="calculator">30 / 3</gadget>
<output>10</output>

<result>10</result>