please explain

John (age 50) and Mary (age 49) have two dependent children. In 2021, they have the following information: 200,000 90,000 Wages - John Wages - Mary Interest and nonqualified dividend income Gambling income 8,000 2,000 25,000 6,000 9,000 1,000 1,200 1,500 10,000 Medical expenses BEFORE limitations Real estate taxes State income taxes Sales taxes per IRS tables Sales taxes per receipts (other than auto) Sales taxes - auto Qualified residence interest expense Investment interest expense BEFORE limitations Charitable cash contributions Gambling losses Employee business expenses BEFORE limitations (no meals or entertainment) Tax return preparation fee Legal fees - drafting new wills 12,000 2,500 2,500 6,000 1,000 2,000 REQUIRED: Calculate John and Mary's 2021 TAXABLE INCOME