Team A and Team B jointly build a canal. Team A builds an average of 97 meters per day, and Team B builds an average of 79 meters per day. The construction is completed in 15 days. How many meters did Team B repair less than Team A? (calculated in two ways)
甲、乙两队合修一条水渠，甲队平均每天修97米，乙队平均每天修79米，15天刚好修完．乙队比甲队少修多少米？(用两种方法计算)
<gadget id="calculator">97 * 15</gadget>
<output>1_455</output>

<gadget id="calculator">79 * 15</gadget>
<output>1_185</output>

<gadget id="calculator">1_455 - 1_185</gadget>
<output>270</output>

<result>270</result>