A pile of coal uses (3/5) tons, which is 45% more than the rest. How many tons does this pile of coal have?
一堆煤用去(3/5)吨，比剩下的多45%，这堆煤有多少吨？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">1 + (9/20)</gadget>
<output>29/20 = around 1.45</output>

<gadget id="calculator">(3/5) / (29/20)</gadget>
<output>12/29 = around 0.413793</output>

<gadget id="calculator">(12/29) + (3/5)</gadget>
<output>147/145 = around 1.013793</output>

<result>147/145 = around 1.013793</result>