Мы ответим на Ваши вопросы
Автомагнитолы
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=12657 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=12658 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=12658 limit 1