Question
Peter had 288 ordinary pens and 155 special pens. He gave Rael some pens. After that, he had 223 pens left. How many pens did he give to Rael?
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Peter had 288 ordinary pens and 155 special pens. He gave Rael some pens. After that, he had 223 pens left. How many pens did he give to Rael?