Function calculate_simple_interest_loan

calculate_simple_interest_loan(
    principal: number,
    apr: number,
    months: number,
    digits?: number,
): Readonly<SimpleInterestLoan>
Calculates loan information using the simple interest formula
Parameters
- principal: number
- apr: number
- months: number
- digits: number = 2
Returns Readonly<SimpleInterestLoan>