Please note that Mommsen uses the AUC chronology (Ab Urbe Condita), i.e. from the founding of the City of Rome. You can use this reference table to have the B.C. dates
From: The History of Rome, by Theodor Mommsen
Translated with the sanction of the author by William Purdie Dickson
After this defeat the Carthaginians offered to make cessions of territory and payments of money to Massinissa, and Scipio at their solicitation attempted to bring about an agreement; but the project of peace was frustrated by the refusal of the Carthaginian patriots to surrender the deserters.
Hasdrubal, however, closely hemmed in by the troops of his antagonist, was compelled to grant to the latter all that he demanded--the surrender of the deserters, the return of the exiles, the delivery of arms, the marching off under the yoke, the payment of 100 talents (24,000 pounds) annually for the next fifty years.
But even this agreement was not kept by the Numidians; on the contrary the disarmed remnant of the Carthaginian army was cut to pieces by them on the way home.
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Reference address : https://www.ellopos.net/elpenor/rome/4-01-gracchi.asp?pg=40