A car drives from place A to place B. The mountain road takes up 20% of the journey, and the uphill road takes up 40%. If the uphill road is 16 kilometers long, how many kilometers is the whole journey?
一辆车从甲地开往乙地，山路占全程的20%，上山路占山路的40%，如果上山路是16千米，则全程是多少千米？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">16 / (2/5) / (1/5)</gadget>
<output>200</output>

<result>200</result>