There were 530 students in our school last year, 98 students graduated, and 157 students increased this year. How many students are there in our school this year?
我们学校去年有530名学生，毕业了98名学生，今年增加了157名学生，我们学校今年有多少名学生？
<gadget id="calculator">530 - 98</gadget>
<output>432</output>

<gadget id="calculator">432 + 157</gadget>
<output>589</output>

<result>589</result>