There are enough coins of 1 cent, 5 cents, 10 cents, and 25 cents. In order to be able to pay 1 cent, 2 cents, ..., 299 cents, and 300 cents, please choose some coins , the less the total number, the better, then at least how many coins should be selected (total number)
有足够多的1分、5分、10分、25分四种硬币，为了能够支付1分、2分、…、299分、300分这三百种不同的钱数，请你从中挑选一些硬币，总个数越少越好，那么最少要挑选硬币多少个(总个数)
<gadget id="calculator">4 + 1 + 2 + 7</gadget>
<output>14</output>

<result>14</result>