Calculations
Money earned
Hours worked: INPUT[number:hoursworked]
Total for the month: VIEW[{hoursworked} * 13][math]
After CPF
Total for the month: VIEW[{hoursworked} * 13 * 80%][math]
Claims and reinbursements
Grab: INPUT[number:grabclaims]
Expected cash in to bank
Cash in bank: VIEW[({hoursworked} * 13 * 80%)+{grabclaims}][math]