A batch of cement, 30% of the total amount was transported for the first time, 8 tons more than the first time, and 65% of the total amount was transported for the second time, how many tons of this batch of cement?
一批水泥，第一次运走了总数的30%，第二次运走的比第一次多8吨，两次共运走了总数的65%，这批水泥共多少吨？
<gadget id="calculator">65 / 100</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(3/10) + (3/10)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(13/20) - (3/5)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">8 / (1/20)</gadget>
<output>160</output>

<result>160</result>