Cross reference
Leviticus 25:16
16 According to the multitude of the years thou shalt increase the price thereof, and according to the fewness of the years thou shalt diminish the price of it; for the number of the crops doth he sell unto thee.
Leviticus 25:27
27 then let him reckon the years of the sale thereof, and restore the overplus unto the man to whom he sold it; and he shall return unto his possession.
Leviticus 25:51
51 If there be yet many years, according unto them he shall give back the price of his redemption out of the money that he was bought for.