When a number is divided by 22, the quotient is 27 and has a remainder. When the remainder is the largest, what is the number?
一个数除以22，商是27有余数，当余数最大时，这个数是多少．
<gadget id="calculator">27 * 22</gadget>
<output>594</output>

<gadget id="calculator">22 - 1</gadget>
<output>21</output>

<gadget id="calculator">594 + 21</gadget>
<output>615</output>

<result>615</result>