Where Do You Hide 7,264 Gallons of Jet Fuel? Or 132 Fifty Five Gallon Drums

Gulfstream G700

https://newatlas.com/aircraft/gulfstream-g700-business-jet-maideon-flight/

‎www.gulfstream.com/efs/downloads/g700_product_spec_sheet.pdf

Maximum Takeoff 107,600 lb | 48,807 kg
Maximum Landing 83,500 lb | 37,875 kg
Maximum Zero Fuel 62,750 lb | 28,463 kg
Basic Operating1 56,365 lb | 25,567 kg (including 4 crew)
Maximum Payload1 6,385 lb | 2,896 kg Maximum Payload/Full Fuel1 2,235 lb | 1,014 kg Maximum Fuel 49,400 lb | 22,407 kg

6.8 pounds per

JP-5 is a complex mixture of hydrocarbons, containing alkanes, naphthenes, and aromatic hydrocarbons that weighs 6.8 pounds per U.S. gallon (0.81 kg/l) and has a high flash point (min. 60 °C or 140 °F).

Wikipedia › wiki › Jet_fuel
Jet fuel - Wikipedia

The fuel weight is equivalent to 7,264 gallons or for a better visual 132 fifty five gallon drums, all of which are supposedly stored in the wings.
We are to believe the wings can hold almost the same weight as the plane when it’s empty.