Among the natural numbers from 1 to 100, how many are multiples of 5 or 7?
在1～100的自然数中，是5的倍数或是7的倍数的数有多少个．
<gadget id="calculator">14 - 2</gadget>
<output>12</output>

<gadget id="calculator">20 + 12</gadget>
<output>32</output>

<result>32</result>