18) $(8+5) \times \frac{35}{5}+6$

Step 1 ：1. Solve the expression inside the parentheses: $(8+5) = 13$

Step 2 ：2. Perform the multiplication and division: $13 \times \frac{35}{5} = 13 \times 7 = 91$

Step 3 ：3. Perform the addition: $91 + 6 = 97$

Step 4 ：\[ \boxed{97} \]