35×(15-276÷32)=35×(15-69/8)=35x15-(35x69)/8=(30+5)x15-[(30+5)(70-1)]/8=450+75-(2100+350-30-5)/8=525-2415/8=4200/8-2415/8=1785/8=223又1/8
35×(15-276÷32)=35×(15-8.625)=35×6.375=223.125