When water freezes, its volume increases (1/10). If the volume of water increases by 5 cubic meters after freezing, what is the original volume?
水结成冰后体积增加(1/10)．若水结冰后体积增加5立方米，则原来的体积是多少．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">5 / (1/10)</gadget>
<output>50</output>

<result>50</result>