What is the area of the region in the $xy-$plane that satisfies \[\lfloor x \rfloor \lfloor y \rfloor = 16\, ?\]
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the area of the region in the $xy-$plane that satisfies \[\lfloor x \rfloor \lfloor y \rfloor = 16\, ?\]
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
10
What is the area of the region in the $xy-$plane that satisfies \[\lfloor x \rfloor \lfloor y \rfloor = 16\, ?\]
train