Ulster on song to see off Scarlets

[team1]Ulster[/team1][score1]30[/score1][team2]Scarlets[/team2][score2]15[/score2][/score]

Ulster boosted their hopes of European Champions Cup qualification with a bonus-point 30-15 win over the Scarlets to bring them a maximum 10 points from their back-to-back clashes with the Welsh side.