How many three-digit numbers are divisible by 7 or 8?
能被7或8整除的三位数有多少个．
<gadget id="calculator">56 * 2</gadget>
<output>112</output>

<gadget id="calculator">112 - 16</gadget>
<output>96</output>

<gadget id="calculator">128 + 96</gadget>
<output>224</output>

<result>224</result>