About 60,000 acres of wetlands are lost each year in the united states. what integer represents the change in wetlands after 4 years?

Area of wetlands lost per year = 60,000 acres per year
Number of years observed = 4 years
In 4 years:
Area of wetlands lost = 60,000 acres per year X 4 years
Total area of wetlands lost after 4 years = 240,000 acres