An electronics company produces transistors, resistors and computer chips. Each transistor requires 3 units of copy, 1 of zinc and 2 units of glass. Each resistor requires 3, 2 and 1 units of the three materials and each computer chip requires 2, 1 and 2 of these units respectively. How many of product can be made with 3665 units of copper, 1845 units of zinc and 2235 units of glass?