 
 <prompt> The cost of purchasing two commodities is $827. If the purchase price of the first one exceeds the other by $127, what is the purchase price of the first commodity? <response>: ```X za a yi damar da fasali na farko, don haka fasali na biyu zai kasance X - $127.
Kyautar sayar da biyu daga su shine X + (X - $127) = $827.
Bayanin kira alamar, muna so X*2 - $127 = $827.
Subtracting $137 daga gaba, muna so X*2 = $954.
Bayanin kira alamar, muna so X = $477.

Javobi zai kasance 477.``` 