It is 78.
This is irrelevant padding to make up the required number of words for an acceptable answer.
34 = 56
324
5712
-112
-45 plus 512 plus 45 plus 56 = 568
77 plus 76 plus 69 plus 56 is equal to 278.
1 + 65 + 56 = 122
1000 + 56 + 63 = 1,119
56 + 4 + 951546 = 951606
12 + 56 + 92 = 160
107+(-82)+56 = 81
648 + 219 + 56 = 923