A pile of cement was brought to the construction site. After 125 tons were used up, the rest was 5 tons less than 25% of this batch of cement. How many tons of this batch of cement were there in total?
建筑工地运来一堆水泥，用去125吨后，剩下的比这批水泥的25%少5吨，这批水泥共多少吨？
<gadget id="calculator">125 - 5</gadget>
<output>120</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">120 / (3/4)</gadget>
<output>160</output>

<result>160</result>