Slot Game Winning Formula Creation

I'm developing a traditional slot machine and need a formula to calculate the winning amount for my game. The winning amount should be influenced by several factors including line combinations, the bet amount, and random multipliers.

Key Requirements:
- Create a formula that calculates the winning amount based on variable payout rates influenced by probability
- Consider and incorporate the specific factors that influence payout in traditional slot machines

Ideal Skills and Experience:
- Proven experience in game development, particularly slot games
- Strong understanding of probability and statistical analysis
- Excellent mathematical skills to create a comprehensive payout formula.