In Xiaoli's small piggy bank, there are 3 pieces of 20 yuan RMB, 6 pieces of 5 yuan yuan, and 12 pieces of 1 yuan yuan. How many yuan are there in the small piggy bank? Write down the calculation formula you use.
小丽的小储钱罐里有20元的人民币3张，5元的人民币6张，1元的人民币12张，小储钱罐里一共有多少元钱，写出你用到的算式．
<gadget id="calculator">20 * 3</gadget>
<output>60</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">1 * 12</gadget>
<output>12</output>

<gadget id="calculator">60 + 30 + 12</gadget>
<output>102</output>

<result>102</result>