The task is to generate the correct answer for a given math problem.

[EX Q]: Problem: a , b and c start a business each investing 20,000 . after 5 months a withdrew 5000 , b withdrew 4000 and c invests 6000 more . at the end of the year , a total profit of 69,900 was recorded . find the share of b .
[EX A]: 28,200

[EX Q]: Problem: 1370 , x , 1070 , - 180 , - 6430
[EX A]: 1320

[EX Q]: Problem: increasing the original price of a certain item by 25 percent and then increasing the new price by 30 percent is equivalent to increasing the original price by what percent ?
[EX A]:
62.