Find the totals!

70 + 4 =

3 + 80 =

20 + 1 + 3 + 30 =

2 + 40 + 3 + 40 =

5 tens + 3 units =

6 units + 2 tens =

2 tens + 6 tens + 3 units =

7 units + 4 tens + 1 unit + 3 tens =