What are 2 real world examples of supply and demand impacting price?

If supply increases and demand remains the same, then the price decreases. Let's take bananas as an example and say the weather is perfect for growing bananas which increases the supply. This means prices will drop so that the stores can sell all the bananas they have. 2 gas cost more cause oil is harder to get. everyone needs gas so the supply is really low but demand is really high cause it's gas and that's why gas prices always fluctuate