How many significant figures are in the result of (2.325-2.32) ?

ans- (2.325-2.32)= 0.005 so significant fig of result is 1 but my problem is in 2.325 significant fig is 4 and In 2.32 significant fig is 3 so result are in in least significant fig that is 3 because In 3 and 4 least is 3 but In result answer is only 1 significant how I CONFUSED SIR TELL ME IN DETAIL.