There are 100 yuan in Xiaohong's piggy bank, 5 coins for 1 cent, 10 coins for 5 cents, and 20 coins for 1 yuan. How many coins are there in total in the piggy bank?
小红的储蓄罐里有一百元钱，1角的有5枚，五角的有10枚，一元的有20枚．储蓄罐里一共有多少元硬币？
<gadget id="calculator">0.1 * 5</gadget>
<output>0.5</output>

<gadget id="calculator">0.5 * 10</gadget>
<output>5</output>

<gadget id="calculator">1 * 20</gadget>
<output>20</output>

<gadget id="calculator">0.5 + 5 + 20</gadget>
<output>25.5</output>

<result>25.5</result>