Mr. Liu collected 150 stamps, of which 20% had a face value of 5 cents, 36% had a face value of 1 yuan, and 44% had a face value of 2 yuan. What is the total value of these stamps?
刘老师收集了150枚邮票，其中面值5角的占20%，面值1元的占36%，面值2元的占44%，这些邮票的总价值是多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">150 * (1/5) * 0.5</gadget>
<output>15</output>

<gadget id="calculator">36 / 100</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">150 * (9/25) * 1</gadget>
<output>54</output>

<gadget id="calculator">44 / 100</gadget>
<output>11/25 = around 0.44</output>

<gadget id="calculator">150 * (11/25) * 2</gadget>
<output>132</output>

<gadget id="calculator">15 + 54 + 132</gadget>
<output>201</output>

<result>201</result>