Jackie loves to cook fried foods. She recorded the total amount of oil that she used each month in the table below.
In January, she used $\dfrac35$ of the amount of oil that she used in February.
**Fill in the amount of oil that Jackie used in January in the table below.**
Month | Gallons of oil used
:-: | :-:
January | [[☃ input-number 1]]
February | $\dfrac23$
March | $1\dfrac12$