A company manufactures two types of gadgets, Type A and Type B. Each Type A gadget requires 3 hours of assembly time, and each Type B gadget requires 5 hours of assembly time. The total assembly time available is 1,200 hours. The equation represents this situation, where is the number of Type A gadgets and is the number of Type B gadgets. Which of the following is the best interpretation of in this context?
The number of hours required to assemble one Type A gadget.
The total assembly time, in hours, for all Type A gadgets.
The number of Type A gadgets manufactured.
The total number of Type B gadgets manufactured.