Simplify the following text for a Grade 9 native English-speaking person.
Original: In 1994 , engineers at Apple Computer code-named the Power Macintosh 7100 `` Carl Sagan '' in the hope that Apple would make `` billions and billions '' with the sale of the PowerMac 7100 .
Simplified: In 1994 , Apple Computer chose a code name `` Sagan '' when they developed the Power Macintosh 7100 .