a and b are two non-zero natural numbers. If (1/3) of a is equal to (1/4) of b, then a is the number of b.
a、b为两个不为零的自然数，若a的(1/3)等于b的(1/4)，那么a是b的多少．
<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>

<result>3/4 = around 0.75</result>