So by that formula we are not that different.

The longer, not too many stops, some pedalling:
8.78AH / 22.5M = 0.390 AH/M x 40V = 15.6 WH/M (40volts being that actual voltage of the 36v cells)

The work run with lots of stops and minimal pedaling:
1.88AH / 4M = 0.47 AH/M X 40V = 18.8 WH/M