The Total Volume of Hydrogen Gas Needed to Fill the Hindenburg

The total volume of hydrogen gas needed to fill the Hindenburg was 2.00 × 10⁸ L at 1.00 atm and 25.0°C. How much energy was evolved when it burned?
H₂(g) + (1/2) O₂(g) → H₂O(l) , ΔH = -286 kJ

A) 8.18 × 10⁶ kJ
B) 3.5 × 10¹¹ kJ
C) 2.86 × 10⁴ kJ
D) 5.72 × 10¹⁰ kJ
E) 2.34 × 10⁹ kJ