Let's evaluate: $7^2+1$

ⓘ Powers are computed before multiplications, additions and subtractions. An integer power is a repeated product: $7^2$ = $7\times 7$ = $49$

$49+1$

ⓘ Start from $49$ and move forward $1$ on the number line: $49+1$ = $50$

▶Result:   $50$