1826448 : 26 + (700320 - 63287)

Let's solve the expression step by step.

First, calculate \( 700320 - 63287 \):

\[ 700320 - 63287 = 637033 \]

Next, add \( 26 \):

\[ 637033 + 26 = 637059 \]

Finally, divide \( 1826448 \) by \( 637059 \):

\[ \frac{1826448}{637059} \approx 2.864 \]

Thus, \( 1826448 : 26 + (700320 - 63287) \) evaluates to approximately \( 2.864 \).