I’m not sure if I’m correct but I think it’s 290 inches
Step 1. Multiply 7 by 27= 189 Step 2. Add the 4 in and 7 in to find that side length which is 11. Step 3. Multiply 6 by 11= 66 Step 4 multiply 5 by 7= 35 Step 5. Add those up Answer is 290 inches.