There is a 10-meter piece of wood, the first use of the full length (1/4), the second use of the full length (1/3), what fraction of the total length is used?
有一根10米的木料，第一次用去全长的(1/4)，第二次用去全长的(1/3)，一共用去全长的几分之几？
<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>7/12 = around 0.583333</output>

<result>7/12 = around 0.583333</result>