Xiaodoudou read a science and technology book, read 20% of it on the first day, read it (3/5) on the second day, and read 60 pages more on the second day than on the first day. From which page did he read on the third day?
小豆豆读一本科技读物，第一天读了它的20%，第二天读了它的(3/5)，第二天比第一天多读60页．他第三天从第几页读起？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">(3/5) - (1/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">60 / (2/5)</gadget>
<output>150</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">150 * (4/5)</gadget>
<output>120</output>

<gadget id="calculator">120 + 1</gadget>
<output>121</output>

<result>121</result>