A construction site transported 25% of the cement in the morning, and transported 10.5 tons more in the afternoon than in the morning. There are still 24.5 tons of cement left in this batch. How many tons of cement are there in total?
某工地上午运走水泥25%，下午比上午多运走10.5吨，这批水泥还剩下24.5吨，那么这批水泥共有多少吨？
<gadget id="calculator">10.5 + 24.5</gadget>
<output>35</output>

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

<gadget id="calculator">1 - (1/4) - (1/4)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">35 / (1/2)</gadget>
<output>70</output>

<result>70</result>