Question
There were 483 girls and 142 more boys than girls in a concert hall. Later, 43 girls and 19 boys left the concert hall. How many more boys than girls were there in the end?
4 m

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There were 483 girls and 142 more boys than girls in a concert hall. Later, 43 girls and 19 boys left the concert hall. How many more boys than girls were there in the end?