Successively solving a task.
• a - b "subtraction"
• a + b "addition"
• a / b "divide"
• a * b "multiply"
• a | b "fraction"
• a.b "float"
-45+(2+2 * 235 * 2+8) / 5+(2 * 231+2)
45 * 2+(5+4 * 2)+2
45 * 2+24 / 2+2
45+85+51 / 2+2 * 2
45+56+(85 / 5+15 * 2+7) / 2
-75/2+45+(4+8 / 8)
85 / 8+(5/15+5*2 / 7)
95+7+5+2 / 70+5 / 7-8 * 9
45+4.98 * (4.5+7.15 * 2) / 2
4+5|44