What is (1/3) of (1/4) of 90?
90的(1/4)是什么数的(1/3)？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/4) / (1/3)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">90 * (3/4)</gadget>
<output>135/2 = around 67.5</output>

<result>135/2 = around 67.5</result>