How many minimum number’s of whole square slabs are required for paving the floor 12.96 meters long and 3.84 meters side?

How many minimum number’s of whole square slabs are required for paving the floor 12.96 meters long and 3.84 meters side?

A. 216
B. 192
C. 108
D. 256
Explanation:
HCF of 384, 1296 = 48
48 * 48 * x = 384 * 1296
x = 216