In a division formula, the divisor is 9, the quotient is 6, and the remainder is 4. What is the dividend?
一个除法算式中，除数是9，商是6，余数是4，被除数是多少？
<gadget id="calculator">9 * 6</gadget>
<output>54</output>

<gadget id="calculator">54 + 4</gadget>
<output>58</output>

<result>58</result>