At the beginning of this year, Xiaguang Primary School bought 9 volleyballs for 522 yuan and 20 footballs for 2,400 yuan. How much more expensive is each football than a volleyball?
今年开学初，霞光小学购买了9个排球用去522元，20个足球用2400元，每个足球比排球贵多少元？
<gadget id="calculator">2_400 / 20</gadget>
<output>120</output>

<gadget id="calculator">522 / 9</gadget>
<output>58</output>

<gadget id="calculator">120 - 58</gadget>
<output>62</output>

<result>62</result>