#include <iostream>
using namespace std;
double getSizeConversionFactor(double unitConversionFactor, int destinationContractSize, int sourceContractSize)
{
return sourceContractSize / unitConversionFactor / destinationContractSize;
}
int main() {
std::cout << getSizeConversionFactor(1, 4, 30) << std::endl;
return 0;
}
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