6*6+13

The calculation \( 6 \times 6 + 13 \) can be solved as follows:

First, calculate \( 6 \times 6 \): \[ 6 \times 6 = 36 \]

Next, add 13: \[ 36 + 13 = 49 \]

So, \( 6 \times 6 + 13 = 49 \).