When two numbers are subtracted, the minuend increases by 6 and the subtrahend decreases by 6, how much does the difference increase
两数相减，被减数增加6，减数减少6，则差增加多少
<gadget id="calculator">106 - 44</gadget>
<output>62</output>

<gadget id="calculator">100 - 50</gadget>
<output>50</output>

<gadget id="calculator">62 - 50</gadget>
<output>12</output>

<result>12</result>