Mom bought some wool and used (7/10) kilograms for knitting sweaters, which was (2/3) kilograms more than knitting gloves. How much does it take to weave gloves? (solution by equation)
妈妈买回来一些毛线，织毛衣用去(7/10)千克，比织手套多用去(2/3)千克．织手套用去多少？(用方程解)
<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>