From the eight numbers 1-8, take two numbers at a time and make their sum greater than 8. How many ways are there to take them?
从1--8这八个数中，每次取两个数，要使它们的和大于8，有多少种取法．
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<result>16</result>