There are 50 workers in Shancheng Supermarket moving 2000 bags of rice, half of which was moved 4 times. Calculated in this way, how many more times will it take to move 50 more workers?
山城超市有50个工人搬米，要搬2000包，4次搬了一半．照这样计算，再增加50个工人，还要多少次搬完．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">(1/2) / 4</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/8) * 2</gadget>
<output>1/4 = around 0.25</output>

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

<result>2</result>