Jaxon has <<15=15>>15 toys
Gabriel has twice Jaxon's, Gabriel got 2*15 = <<2*15=30>>30 toys.
Jerry got 8 more toys than Gabriel, which is 30 +8 = <<30+8=38>>38 toys
Jaxon's toys plus Gabriel's toys plus Jerry's toys is 15+30+38 = <<15+30+38=83>>83 toys
#### 83