Xiaoqiang counted 300 coins in his piggy bank, among which one-yuan coins accounted for 15%, five-cent coins accounted for 20%, and one-cent coins accounted for 65%. How much money is there in the piggy bank?
小强统计了自己的储蓄罐里有300个硬币，其中一元的硬币占15%，五角的硬币占20%，一角的占65%．储蓄罐里共有多少元．
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">300 * (3/20) * 1</gadget>
<output>45</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">300 * (1/5) * 0.5</gadget>
<output>30</output>

<gadget id="calculator">65 / 100</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">300 * (13/20) * 0.1</gadget>
<output>19.5</output>

<gadget id="calculator">45 + 30 + 19.5</gadget>
<output>94.5</output>

<result>94.5</result>