When Xiao Ming calculated 120/(8+4), he copied the formula into 120/8+4, so how much is the difference between the calculation results of the two questions?
小明在计算120/(8+4)时，把算式抄成120/8+4，这样两题的计算结果相差多少
<gadget id="calculator">120 / 8</gadget>
<output>15</output>

<gadget id="calculator">15 + 4</gadget>
<output>19</output>

<gadget id="calculator">8 + 4</gadget>
<output>12</output>

<gadget id="calculator">120 / 12</gadget>
<output>10</output>

<gadget id="calculator">19 - 10</gadget>
<output>9</output>

<result>9</result>