8 / 25 * 0.25 + 1 / 4 * 57 / 25 - (1-0.75)?

8 / 25 * 0.25 + 1 / 4 * 57 / 25 - (1-0.75)?

8*0.25/25+57/100-0.25=8/100+57/100-25/100=0.4