Among the natural numbers not exceeding 1000, how many numbers are neither divisible by 8 nor divisible by 10?
在不超过1000的自然数中，既不能被8整除，又不能被10整除的数共有多少个．
<gadget id="calculator">1_000 / 8</gadget>
<output>125</output>

<gadget id="calculator">1_000 / 10</gadget>
<output>100</output>

<gadget id="calculator">1_000 - 125 - 100</gadget>
<output>775</output>

<gadget id="calculator">1_000 / 40</gadget>
<output>25</output>

<gadget id="calculator">775 + 25</gadget>
<output>800</output>

<result>800</result>