No of days from decimal values

[Mahamed_Qlik]

HI

I have start_time and End_time as below:
I want to create one column to show no.of hours between start_time and end_Time:

Start_Time	End_Time
730	1430
830	1530
800	900
900	1600

Expected column:

Start_Time	End_Time	Hours
730	1430	7
830	1130	3
800	900	1
900	1700	8

Kindly help

Regards,

Mahamed