5*(3+4) - 6
10 - 18/-2
11/ 5 * (3+3)
  1/3 * 5.3  
0.5*8/(12+5*(2+3/2)) -  (5+1)*3/2.5
(1.1+2.2 - 3.3 /(3.3-2.2  ) )/(2.1+2.2+3.3)
(0.1+ 0.1 +0.1)/0.3
(0.3 + 0.1)*(0.2+0.2)+(0.1)
(1+12+33+4+5)/(1+2+((3+4)))
( 1111/11)*(1234/321-(1+ 2+(1+1.1+(12.51-0.51)))) - 0.11
 -1.5+2.5/-2+1.1/2
-10002/-102*-12*(12-11-3+5)+12
-1+-1-1+1
(-5+2)/-3*2  - -1/3 * ( (5 /-2)+1.5)
-0.12+ 1.22 - -12.1/2.1