#include <iostream>
#include <chrono>
using namespace std;
int main() {
std::chrono::milliseconds a(189);
std::chrono::milliseconds b(89);
auto a_durch_b = a/b;
std::cout<<"erg: "<<a.count()<<", "<<a_durch_b<<"\n";
// your code goes here
return 0;
}
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