Ruby program to calculate the logarithm of a given number based on a given base

print "Enter Number: ";
num = gets.chomp.to_i;  

print "Enter Base: ";
base = gets.chomp.to_i;  

result = Math.log(num,base);

print "Result is: ",result;

Output:

Enter Number: 124
Enter Base: 2
Result is: 6.954196310386876