Answer :
original width = 9cm
width after 3 wishes = (((9/3)/3)/3) = 1/3 cm
length after 3 wishes = A/w = 4/(1/3) = 4*3 = 12cm
original length = 12*3*3*3=324cm
width after 3 wishes = (((9/3)/3)/3) = 1/3 cm
length after 3 wishes = A/w = 4/(1/3) = 4*3 = 12cm
original length = 12*3*3*3=324cm