The 9 tons of goods are shipped in 10 times on average, how much of the goods are shipped in 7 times
9吨的货物平均分10次运完，7次运了这批货物的多少
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) * 7</gadget>
<output>7/10 = around 0.7</output>

<result>7/10 = around 0.7</result>