What is how much gas money should i give?

As an AI language model, I do not have access to your specific situation or location, so I cannot give you an accurate answer. However, here are a few factors that may affect how much gas money you should give:

1. Distance: The farther the distance you are traveling, the more gas money you should consider giving.

2. Fuel efficiency: Some vehicles are more fuel-efficient than others and may require less gas money, while others might require more.

3. Gas Prices: The prices of gasoline vary from one region to another, so it is essential to know the current prices in your area.

4. Vehicle weight and load: If your vehicle carries a heavy load, it might require more gas to travel the same distance.

Ultimately, the amount of gas money you should give will depend on your specific circumstances and the agreement you have with the person you're giving the money to.