A liter of gasoline costs 4.90 yuan, and Xiao Ming's father pays 98 yuan to fill the car with gasoline. How many liters of gasoline did Xiao Ming's father put in the car?
一升汽油4.90元，小明的爸爸为汽车加汽油，付98元．小明的爸爸为汽车加了多少升汽油？
<gadget id="calculator">98 / 4.9</gadget>
<output>20</output>

<result>20</result>