Xiaohua bought 7 basketballs and 7 volleyballs each, 63 yuan for a basketball and 55 yuan for a volleyball. How much more does it cost to buy a basketball than a volleyball? (answer in two ways)
小华买了篮球和排球各7个，一个篮球63元，一个排球55元．买篮球比排球多用多少元？(用两种方法解答)
<gadget id="calculator">63 * 7</gadget>
<output>441</output>

<gadget id="calculator">55 * 7</gadget>
<output>385</output>

<gadget id="calculator">441 - 385</gadget>
<output>56</output>

<result>56</result>