Gab scored 20 x 2 = <<20*2=40>>40 points.
Cher scored 40 x 2 = <<40*2=80>>80 points.
Their team scored 20 + 40 + 80 = <<20+40+80=140>>140 points.
Therefore, they scored 140 - 85 = <<140-85=55>>55 more points than their opponent.
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