Fill in the blank

WB and ZA are two competing grocery stores in a particular region. The probability that a customer who shops this week at WB will shop again at WB next week is 78% whereas the probability that a ZA customer will shop next week at ZA is 82%. What is the probability that a customer who shops at WB in week 0 will shop at WB in week 2? Your answer should be with accuracy of 3 decimal points