Xiao Ming counted 120 coins in his piggy bank, among which the number of one-yuan coins accounted for 40%, the number of five-cents accounted for 20%, and the rest were ten-cent coins. How much money is there in the piggy bank?
小明统计了自己的储蓄罐里有120个硬币，其中一元的硬币的个数占40%，五角的个数占20%，其余的是一角硬币．储蓄罐里共有多少元？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">120 * (2/5) * 1</gadget>
<output>48</output>

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

<gadget id="calculator">120 * (1/5) * 0.5</gadget>
<output>12</output>

<gadget id="calculator">1 - (2/5) - (1/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">120 * (2/5) * 0.1</gadget>
<output>4.8</output>

<gadget id="calculator">48 + 12 + 4.8</gadget>
<output>64.8</output>

<result>64.8</result>