Are they talking about Height, Weight, volume? A bit hard to work out volume, but I can give you Height and weight to start with.
I realised I'd originally used metric metres and tonnes, so I've redone the calculation using Real American measurements:
Eiffel Tower
Height: 162 Hulk Hogans
Weight: Approx 72,993 Hulk Hogans
Two Eiffel Towers
Height: 324 Hulk Hogans
Weight: Approx 145,986 Hulk Hogans
Statue of Liberty
Height: 46.5 Hulk Hogans
Weight: Approx 1,460 Hulk Hogans
Rounded to the nearest 0.5 Hogans.
Based on the above, we can work out that there's:
Approx 7 Statues of Liberty (by height)
Approx 100 Statues of Liberty (by weight)