The divisor is 9, the quotient is 64, the remainder is 5, what is the dividend.
除数是9，商是64，余数是5，被除数是多少．
<gadget id="calculator">64 * 9</gadget>
<output>576</output>

<gadget id="calculator">576 + 5</gadget>
<output>581</output>

<result>581</result>