Hope Primary School has 328 boys and 15 fewer girls than boys. How many students does Hope Primary School have?
希望小学有男生328人，女生人数比男生少15人．希望小学一共有学生多少人？
<gadget id="calculator">328 - 15</gadget>
<output>313</output>

<gadget id="calculator">313 + 328</gadget>
<output>641</output>

<result>641</result>