Mom bought some wool and used it to knit sweaters for Dad (7/10) and knit gloves for Honghong (1/20). What math questions can you ask?
妈妈买了一些毛线，给爸爸织毛衣用去了(7/10)，给红红织手套用了(1/20)．你能提出什么数学问题？
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(7/10) + (1/20)</gadget>
<output>3/4 = around 0.75</output>

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