500-(29*5+25*4-120;2):6-(28:14+420:140)*30

Question

500-(29*5+25*4-120;2):6-(28:14+420:140)*30

Answer 1

500-(29*5+25*4-120;2):6-(28:14+420:140)*30 = 320

Answer 2

500-(29×5+25×4-120÷2)÷6-(28÷14+420÷140)×30=319,16666667