Мы ответим на Ваши вопросы
Для нарезки и смешивания
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=13244 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=23108 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=9277 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=23108 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=9277 limit 1