There are w bananas and x oranges in Philip's collection. If the bananas are organized into y groups and oranges are organized into z groups How big is each group of oranges?
There are w bananas and x oranges in Philip's collection. 

There are w/y groups of bananas and x/z groups of oranges. 

Each group of oranges has x/z * z/y = x/y = 356/47 = 7.619047619 bananas.