Please help me understand this question for my CPA accounting class, Thank you.

For calendar year 2019, Stuart and Pamela Gibson file a joint return reflecting AGI of $323,900. Their itemized deductions are as follows. Note: All expenses are before any applicable limitations, unless otherwise noted. Casualty loss in a Federally declared disaster area after $100 floor (not covered by insurance) $75,400 Home mortgage interest (loan qualifies as acquisition indebtedness) 30,160 Credit card interest 1,508 Property taxes on home 22,620 Charitable contributions 41,470 State income tax 26,390 Tax return preparation fees 2,262 Round your final answers to the nearest whole dollar. Calculate the amount of itemized deductions the Gibsons may claim for the year. 163,347 X