The answer to your question is twenty four.
15
25
19 is the answer to 3 plus 4 plus 4 plus 3 plus 5
It is 77
27x3+6=87.
3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 is 54.
The answer to your question is twenty four.
15
25
19 is the answer to 3 plus 4 plus 4 plus 3 plus 5
It is 77
356,433,300
12
3 + 3 + 3 + 6 + 9 = 24
3 + 3 + 3 + 2 = 11
3+1+3+3+3+4+3+4+1+1+1+1+1+1+5+6 =41 Every operation is addition so all the adding can happen in one step.