A math problem. . I bought some things with my classmates. Then I couldn't figure it out. . . Ask for help,

Xiaoming borrowed 200 yuan from Xiaohong, and Xiaoming spent money on 1 15 yuan. Among them, 25 yuan belongs to Xiao Ming. 90 yuan is a little red. So, now Xiaoming still owes Xiaohong 200-90= 1 10, because Xiaohong still owes Xiaoming 50, so Xiaoming should still owe Xiaohong 1 10-50=60.

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