China's Long March carrier rocket has carried out 70 launches so far, of which only 7 failed, how many of the successful launches accounted for the total.
中国长征运载火箭至今已进行了70次发射，其中只有7次发射失败，发射成功的占总数的多少．
<gadget id="calculator">7 / 70</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>