=254+5-6+7*(8/2)
=30/2+4*2-3+58
=5*(-3+7)+4*(8/2)-(5+6-9)
=(((14+6)-(34/2)*(2+9-5)/2))+10
=((45-13)*(11-26))+18/(1+4*2)
=(((37-5)*56*(23/2)+12))-20
=(2*(15+5)-10/2+(15*2))
=45+5*4-(18/6)
=105+7*10-2
=2*500/(500*1)+1
20600
173
3
34
65
-21
281
62
-478
78