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The dimension of a school playground is 800 \(m\) \(×\) 500 \(m\). Find the area of the ground.
 
[NOTE: Enter the answer as a whole number.]
 
Length, \(l\) \(=\)  \(m\)
 
Breadth, \(b\) \(=\)  \(m\)
 
On substituting the known values in the formula, we get
 
Area=i×i=i×i
 
The area of the school playground as  \(m^2\).