∀ (R' : Type u_1) (S : Type u_4) (A : Type u_2) (C : Type u_3) [inst : CommSemiring S] [inst_1 : Semiring A]
  [inst_2 : Algebra S A] [inst_3 : Semiring C] [inst_4 : Algebra S C] [inst_5 : CommSemiring R'] [inst_6 : Algebra R' A]
  [inst_7 : SMulCommClass S R' A], SMulCommClass R' (TensorProduct S A C) (TensorProduct S A C)