If Jack bought 37 crackers and Jill bought 26, how many crackers were bought in total?

A baker baked 75 loaves of bread. The baker's family ate 19. How many loaves of bread were left?

Thomas had 87 trading cards and Tina had 48. How many cards did Thomas and Tina have in total?

Elizabeth had 97 marbles. Eric had 68 marbles. How many more marbles did Elizabeth have than John?

Katie had 34 crackers. Kyle had 37 crackers. Jimmy then ate 45 of their crackers. How many of Katie and Kyle's crackers were left?