The quotient of a number divided by 5 is 120, and the remainder is 4. What is the number?
一个数除以5商是120，余数是4，这个数是多少．
<gadget id="calculator">120 * 5</gadget>
<output>600</output>

<gadget id="calculator">600 + 4</gadget>
<output>604</output>

<result>604</result>