Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.
An employee at an organic food store is assembling gift baskets for a display. Using wicker baskets, the employee assembled 3 small baskets and 5 large baskets, using a total of 109 pieces of fruit. Using wire baskets, the employee assembled 9 small baskets and 5 large baskets, using a total of 157 pieces of fruit. Assuming that each small basket includes the same amount of fruit, as does every large basket, how many pieces are in each?
The small baskets each include _____ pieces and the large ones each include ______ pieces.
