You have: 73.4 lb
You want: kg
Result: 73.4 lb = 33.29368 kg
You have: 33 LB
You want: kg
Result: Conformability error
LB is not a recognized unit, you probably wanted pounds which is "lb" lowercase.
You have: tempC(24)
You want: tempF
Result: 75.2 F
Temperature conversions are a bit different than other units since they are non linear scales.