How to figure out the math for this problem

Hank owns a gym called Ultimate Fitness. During the past year, Hank sold some equipment and other assets to upgrade his facility. He sold an elliptical trainer for $400 cash plus a juicer machine worth $100. The elliptical trainer had an original cost of $1,500 and had accumulated depreciation for tax purposes of $800. What is Hank's realized gain or loss on the sale?