The students carried out stamp collecting activities. Xiaoqiang collected 348 stamps, 159 more than Xiaolin. Xiaoxiao calculated that Kobayashi had collected 289 pieces, is Xiaoxiao right? How did you know?
同学们开展集邮活动，小强收集了348张，比小林多收集了159张．笑笑算出小林收集了289张，笑笑算得对吗？你是怎么知道的？
<gadget id="calculator">348 - 159</gadget>
<output>189</output>

<result>189</result>