The price of a mobile phone last year was 1,098 yuan. In January this year, the price was reduced by 150 yuan. In February, the price was increased by 298 yuan. How much is it worth to buy this mobile phone now?
一不手机去年售价1098元，今年一月份降价150元，二月份涨价298元，现在买这部手机用多少元？
<gadget id="calculator">1_098 - 150</gadget>
<output>948</output>

<gadget id="calculator">948 + 298</gadget>
<output>1_246</output>

<result>1_246</result>