Xiaopang made 98 lucky stars in 2 hours. According to this calculation, how many hours will it take to complete 245 lucky stars?
小胖2小时做了98个幸运星，照这样计算，要完成245个幸运星，还需要几小时？
<gadget id="calculator">98 / 2</gadget>
<output>49</output>

<gadget id="calculator">245 / 49</gadget>
<output>5</output>

<result>5</result>