The answer depends on the degree of rounding required.
1,721 is a prime number.
John Douglas was born on July 14, 1721.
John Douglas was born on July 14, 1721.
Eliphalet Dyer was born on September 14, 1721.
Eliphalet Dyer was born on September 14, 1721.
14.00
7% * 1721 (7/100)*1721 12047/100 120.47
10
14
1.4
14
14