The minuend increases by 256, and the subtrahend decreases by 98. What is the difference?
被减数增加256，减数减少98，差多少．
<gadget id="calculator">456 - 2</gadget>
<output>454</output>

<gadget id="calculator">200 - 100</gadget>
<output>100</output>

<gadget id="calculator">454 - 100</gadget>
<output>354</output>

<result>354</result>