Ruby program to calculate the value from the given fraction and exponent

print "Enter fraction: ";
fraction = gets.chomp.to_f;  

print "Enter exponent: ";
exponent = gets.chomp.to_i;  

value = Math.ldexp(fraction, exponent);
print "Value: ",value;

Output:

Enter fraction: 0.890625
Enter exponent: 9
Value: 456.0