The product of the smallest one digit number with the sum of greatest and second greatest number in the given box is ___.

(A)
(B)
(C)
(D)
smallest one digit number is 1 ...why this question considers it 0 ?
The product of the smallest one digit number with the sum of greatest and second greatest number in the given box is ___.
(A)
(B)
(C)
(D)