Add 2-digit numbers by making tens

**Complete to solve $18+ 62$.** $\phantom{=}18+62$ $=(10+$ [[☃ input-number 1]]$)+ 62$ $=10 + ($[[☃ input-number 2]] $+62)$ $=10 + $ [[☃ input-number 3]]$$ $=$ [[☃ input-number 4]]