A certain gallery is hanging a series of 7 paintings

A certain gallery is hanging a series of 7 paintings. All the paintings will be exhibited in a row along a single wall. Exactly 3 of the paintings are on panel, the remainder are on canvas. In how many ways can the paintings be exhibited if the works on panel must be the second and sixth in the row? OE

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #94244