1+2*3*4*5+6+789=916
1+2*3+4*5*6+789=916
123*4+5*67+89=916
1*23+45*6+7*89=916
1*234-5+678+9=916
1234-5*67+8+9=916
12/3+4*5*6*7+8*9=916