What is the expected value of playing this game? Please include step by step problems. Thank you!

2) Suppose you play a game with an "unfair" coin. To play the game you toss the coin once. The probability of tossing a head is 0.625 and the prob- ability of tossing a tail is 0.375. If you toss a head, you pay $6. If you toss a tail, you win $10. What is the expected value of playing this game