(-9.18/3.4-3.7)*2.1+2.04

(-9.18/3.4-3.7)*2.1+2.04 = -11,4-9.18 : 3.4 = -2,7-2,7-3.7 = -6,4-6,4*2,1 = -13,44-13,44+2,04 = -11,4