The volume of a cylindrical water cup is 1.6 liters, measured from the inside, the bottom area is 1.2 square decimeters. Use this cup to hold (3/4) cup of water, how many decimeters is the water surface high?
一个圆柱形水杯的容积是1.6升，从里面量，底面积是1.2平方分米．用这个水杯装(3/4)杯水，水面高多少分米？
<gadget id="calculator">1.6 / 1.2</gadget>
<output>1.333333</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1.333333 * (3/4)</gadget>
<output>1</output>

<result>1</result>