[22-(8*2)of(-9)/3+(10-6)*2
I suppose the of is a multiplication.
[22-(8*2)*(-9)/3+(10-6)*2]
Note that the [ and ] means nothing.
= 22-(8*2)*(-9)/3+(10-6)*2
= 22-(8*2)*(-9)/3+4*2 Brackets.
= 22-(-48)+8 Multiplication and Division
= 22 + 48 + 8 Brackets. Again
= 78 Addition