125x88= 301x40= 125x8x11= 300?40+1?40=

125x88=125x8x11=1000x11=11000

301x40=?300+1?x40=300x40+40=12000+40=12040

125x8x11=1000x11=11000

300?40+1?40=300x40+40=12000+40=12040

16x125=2x8x125=2x1000=2000

90X401=90x?400+1?=90x400+90=36000+90=36090