https://leetcode.com/problems/basic-calculator-iii/

"(( ( ( ( ((( ( (3 - 18 )+ 8 ) -20 )+ ((( 3 +18) / (1+5 ) ) +( ( 12 * 12 ) + (15- 10 ))) ) * ( ( ( ( 20 + 6 ) + ( 19 - 8) )+( ( 19+ 5 ) + ( 13 - 13 ) ) ) / (( (6 +20 ) + (9 + 19 ) ) + (( 11 - 12) -( 1 + 2 ) ) ) )) -( ( ( ( ( 4 + 18 ) + ( 8 - 8 )) * ( (17 / 19 ) + ( 1* 18) ) ) + ( ( ( 13 + 1 ) + (8 + 10 ) ) + 9 ) ) + ( ( ( ( 1 +15) + ( 9/ 15 ) ) * (( 13 - 4 ) + ( 13 + 4 ) )) +( ((16 * 20 ) / (5 +10 ) )+ ( ( 15 * 16 ) * ( 2 - 4) )) ) ))+ ((8+ ( ( 9 * ( ( 2 + 10) + ( 5 * 13)) ) + ( ( ( 16 + 4 ) -( 10 + 9 )) + (( 19+ 3 ) - ( 2 - 15 )) ) ) ) / ( 12 / 5) ) ) + ( ((( ( 3 +( ( 7+19 ) * ( 15 + 1 ) )) *( (( 5 * 8 ) / (3 +3 )) + ( ( 8 +7) + ( 17+14 ) )) ) + ( 10 + ( ( ( 8 /13)+ ( 6+17 ) )+(( 16 * 3 ) - ( 9 / 11 ) ) )) ) -(( ( ((3 + 2 ) /(1+9 ) ) * ( ( 13 + 18 )+ (17 * 14 )) ) +( ( ( 18 + 8 )* ( 20* 7 ) ) / 14 ))+ ( (( ( 1 - 2)+(19 + 14 ) ) - ( ( 10 *9 ) * ( 19* 11)) ) - (( (17 - 9 ) +(5 * 2 ) )+20)) ))+9 ) ) +18 ) * 19)"