276÷{32-[306÷(201×47-9413)]}=______.

276÷{32-[306÷(201×47-9413)]}=______.

276÷{32-[306÷(201×47-9413)}=276÷{32-[306÷(9447-9413)]}=276÷{32-[306÷34]}=276÷{32-9}=276÷23=12