(201905-51264:8)+(1000-725)*364:20

1)51264:8=64082)201905-6408=1954973)1000-725=2754)275*364=1001005)100100:20=5005)6)5005+195497=200502

(201905-51264:8)+(1000-725)*364:20=20050251264:8=6408201905-6408=1954971000-725=275275*364=100100100100:20=5005195497+5005=200502