Using the same three 6 volt, 3.0 amp panels as above, the total output of the panels, when connected together in parallel, the voltage output would remain the same at 6 volts, but the amperage would increase to 9.0 amps (3 + 3 + 3), or 54 watts.
A monthly salary is the amount of pay you receive every month for doing your job. This also implies that you will be paid monthly, though it may not be the case. You can calculate a monthly salary even if you are paid biweekly or semi-monthly.
Salary is a paymen which is paid by employer to the employee for what he was employed for after every month. Wage is a payment which is paid by employer to the employee for what he was employed on regular or weekly or daily basis depending on the hours worked by the employee. Those hours are multiplied by the fix rate and paid to the employee.