△/38=15…□, what is the maximum value of △?
△/38=15…□，△最大是多少．
<gadget id="calculator">38 * 15</gadget>
<output>570</output>

<gadget id="calculator">38 - 1</gadget>
<output>37</output>

<gadget id="calculator">570 + 37</gadget>
<output>607</output>

<result>607</result>