Geomantic omen of underground warehouse

The total grain reserves of warehouse A and warehouse B are:

40÷(59? 77+8)

=40÷(59? 7 15)

=40÷445

=450 (tons);

The raw grain storage capacity of warehouse A is:

450×59=250 (ton),

The raw grain storage capacity of warehouse B is:

450-250=200 (ton).

A: Warehouse A originally stored 250 tons of grain, and warehouse B originally stored 200 tons of grain.