△+○=25…l, what is the minimum value of △
△+○=25…l，△最小是多少
<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<gadget id="calculator">50 + 1</gadget>
<output>51</output>

<result>51</result>