Determine whether the result of the following formula is odd or even: 8**8-7**7-6**6-5**5-4**4-3**3-2**2.
判断下列式子的结果是奇数还是偶数：8**8-7**7-6**6-5**5-4**4-3**3-2**2．
<gadget id="calculator">8 ** 8</gadget>
<output>16_777_216</output>

<gadget id="calculator">7 ** 7</gadget>
<output>823_543</output>

<gadget id="calculator">6 ** 6</gadget>
<output>46_656</output>

<gadget id="calculator">5 ** 5</gadget>
<output>3_125</output>

<gadget id="calculator">4 ** 4</gadget>
<output>256</output>

<gadget id="calculator">3 ** 3</gadget>
<output>27</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">16_777_216 - 823_543 - 46_656 - 3_125 - 256 - 27 - 4</gadget>
<output>15_903_605</output>

<result>15_903_605</result>