Cryptarithms are arithmetical problems in which numbers are replaced by letters.
The "number of words" given with each puzzle refers to the keyword or keywords used to develop the original number/letter equivalence. A statement such as “1-0" gives the order in which to specify the answer, e.g. in this case, the regular decimal set 1, 2, 3 . . . 0.
For more details have a squint at wikipedia
To Find the cahe, you will need to solve the following:
Type: Equations
Number of words: Two
Letter order: 1 - 0
ROPE + GAIT = IROT
CAN - PEG = TAI
To find this cache you will need to provide both words (all upper case and with a dash between them) via the following.
E.g: WORD-WORD

You can validate your puzzle solution with certitude.
Shouldn’t prove too tricky.