When n=2.5, m=6, how much is m**2+5n=.
当n=2.5，m=6时，m**2+5n=多少．
<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">5 * 2.5</gadget>
<output>12.5</output>

<gadget id="calculator">36 + 12.5</gadget>
<output>48.5</output>

<result>48.5</result>