There was a batch of cement in the warehouse, and 120 tons were transported away, which happened to be three quarters of the cement. How many tons of cement were there in the warehouse?
仓库有一批水泥，运走了120吨，正好运走了这批水泥的四分之三，仓库里原来有水泥多少吨？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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

<result>160</result>