ช่วยแปลโจทย์ให้หน่อยค่ะ

•Need an empty gift box for a robot I am selling . Ask TaiwAN manufacturer to send me one ASAP. Sends by Fed EX box is $100.  Fed air bill asks for weight and dimensions of box.  Box for dimensional weight is left blank, Weight is filled in as 2.2 lb
•2 day
•The price for 2.2 kg is $77/ Fed ex quotes price of $104 based upon dimensional weight.
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You are me what do write to fed ex?