For a five axle combination running in the US, 42 - 45 tons is typical for it to remain within legal weight limits.
7
42
about 42, 000
The kingpin is normally 42 inches from the nose of the trailer.
You can transport 42 People.
Thrice with a remainder of 3
42 by 42
42
6
About 32 (31.76283748) US NFL fields.
Three times. 1= 42 2= 84 3= all 102, with leftover space for 18.