Multiply by '4'
'Quad' from Latin , means 'four(4)'.
multiply it by 4
its called a multiple of 4 You quadruple the number
quadruple
Quadruple.
Quadruple.
Multiply the given value by four.
Quadruple
quadruple
Quadruple.
Quadruple
16
4 times, i.e. multiply by 4