If both addends are expanded by 8 times, then how many times the sum is expanded to the original.
两个加数都扩大8倍，则和扩大到原来的多少倍．
<gadget id="calculator">5 * 8</gadget>
<output>40</output>

<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">40 + 80</gadget>
<output>120</output>

<gadget id="calculator">5 + 10</gadget>
<output>15</output>

<gadget id="calculator">120 / 15</gadget>
<output>8</output>

<result>8</result>