What is a good money problem to frist add then subtract from a bank account then solve the problem you did

Mason had his payday yesterday. He billed $2445 into his bank account which already had $5078. The next day, he went to the supermarket and bought a $1934 TV with his credit card. That was also billed out from his bank account. You solve it by doing 2445+5078.  Then with that answer, -1934 from it.

Lisa had $30 in the bank account she has. She earned $27. She deposited $40 for a vacation her parents were going to. How much money is left in Lisa's bank account?

$30 + $27= $57
$57 - $40=  $17 in total