# 计算横向可放置数量
cols_in_material_w = material_w // panel.width

# 计算纵向可放置数量  
rows_in_material_h = material_h // panel.height

# 总拼板数
total_count = cols_in_material_w * rows_in_material_h

# 总PCB数
total_pcb = total_count * panel.pcb_count