Open a store to hold a promotional event. The original price of a schoolbag is 126 yuan, and the current price is only 98 yuan. How much cheaper?
开开商店举行促销活动，原价126元一只的书包，现价只要98元，便宜了多少？
<gadget id="calculator">126 - 98</gadget>
<output>28</output>

<result>28</result>