The sum of $12 + 10 + 1 + 113$ is:

$12 + 10 = 22$ $22 + 1 = 23$ $23 + 113 = 136$

So, the total is $136$.

Would you like more details or have any questions?

Here are 5 related questions to explore:

1. What is the result of $136 - 25$?
2. How do you solve $136 \div 4$?
3. What is the product of $136 \times 3$?
4. If you subtract $136$ from $200$, what do you get?
5. How would you calculate $136^2$ (136 squared)?

Tip: Breaking down addition into smaller parts often makes mental calculations easier.