Children's Paradise sold 520 tickets on Saturday and 610 tickets on Sunday. How many more tickets were sold on Sunday than Saturday?
儿童乐园星期六卖出门票520张，星期日卖出门票610张，星期日比星期六多卖出多少张门票？
<gadget id="calculator">610 - 520</gadget>
<output>90</output>

<result>90</result>