Original: The vast majority of Mozart's unnumbered symphonies are in D major, namely K. 66c, 81\/73, 97\/73m, 95\/73n, 120\/111a and 161\/163\/141a.
Simplified: A great number of Mozart's unnumbered symphonies are in D major, namely K. 66c, 81\/73, 97\/73m, 95\/73n, 120\/111a and 161\/163\/141a.