Volume of 1 cuboid = Length × Breadth × Height. Then multiply by 4.

• Volume of 1 cuboid = 34 × 10 × 8 = 2720 cm³
• Total volume = 4 × 2720 = 10880 cm³
• 10880 ÷ 1000 = 10 remainder 880
• 10 l 880 ml

Final Answer: 10 l 880 ml