﹛3.14x﹙60÷2﹚²-[﹙60-2-2﹚÷2]²﹜x6000=53053440立方毫米=53.05344立方分米53.05344x7.8=413.816832千克 2x﹙413.816832÷1000﹚=0.827633664万=8276.34元
