If you would like to know how man of the events are track events, you can calculate this using the following two steps:
Divide 22 in the ratio of 8 : 3.
First, add the numbers: 8 + 3 = 11
Second, divide and multiply: 8 / 11 * 22 = 16
3 / 11 * 22 = 6
16 track events : 6 field events
Result: There are 16 track events.