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That is the default String returned by an object's toString() method: the classname followed by @ and the hashcode for the object. You will have to call some of the object's methods to get its...

You'll have to post the program's output and explain what is wrong with it and also post the code that generates it.

You can build a String to print by using the + operator:
String aStr = "some " + 4 + " parts";

Build the String to print using the + operator.

Do you know about integer arithmetic 50/60 = 0
Try changing variables to double vs int

Please Edit your post and wrap your code with
<YOUR CODE HERE> to get highlighting