The price of a volleyball is 40.5 yuan, and the price of a football is 1.4 times that of a volleyball. How much is the price of each football more expensive than a volleyball?
一个排球的售价是40.5元，一个足球的售价是排球的1.4倍，每个足球的售价比排球贵多少元？
<gadget id="calculator">40.5 * 1.4</gadget>
<output>56.7</output>

<gadget id="calculator">56.7 - 40.5</gadget>
<output>16.2</output>

<result>16.2</result>