1.4. From sticks of the same length, a row of 700 octagons was laid out as shown in the figure. How many sticks were used in total?

![](https://cdn.mathpix.com/cropped/2024_05_06_8c9b9114972c62456a9cg-01.jpg?height=148&width=876&top_left_y=1779&top_left_x=590)

Answer, option 1. 7001.

Answer, option 2. 3501.

Answer, option 3. 5601.

Answer, option 4. 4901.
Solution option 1. In the first octagon, there are 8 sticks. Constructing each subsequent octagon adds 7 sticks. In total, it will be $8+7 \cdot 999=7001$ sticks.