Mom bought some wool and knitting sweaters (7/10) of the total amount was used, which was more (2/3) than knitting gloves. What percentage of the total is used for weaving gloves? (column equation solution)
妈妈买回来一些毛线，织毛衣用去总数的(7/10)，比织手套多用去总数的(2/3)．织手套用去总数的几分之几？(列方程解答)
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(7/10) - (2/3)</gadget>
<output>1/30 = around 0.033333</output>

<result>1/30 = around 0.033333</result>