What is the area of the closed figure drawn by Rakshit on the sheet with grids of 1 sq mm each? (Consider more than half as 1 sq mm, less than half as 0 sq mm and half as half sq mm).

What is the area of the closed figure drawn by Rakshit on the sheet with grids of 1 sq mm each? (Consider more than half as $1\text{sq mm}$, less than half as $0\text{sq mm},$ and half as half $\text{sq mm}$.

A figure, on a grid paper of grids $1$ sq mm each, occupies $60$ complete grids, $20$ exactly half grids and $60$ more than half grids. What is the total space occupied by the figure?