When Xiaoxing calculated the division, he wrote the divisor 87 as 78 by mistake, and the result was 5 and the remainder was 45. What should be the correct quotient?
小星在计算除法时，把除数87错写成78，结果得到的商是5，余数是45．正确的商应该是多少？
<gadget id="calculator">78 * 5</gadget>
<output>390</output>

<gadget id="calculator">390 + 45</gadget>
<output>435</output>

<gadget id="calculator">435 / 87</gadget>
<output>5</output>

<result>5</result>