I have already typed 30% of a manuscript, and if I type the rest at 98 words per minute, I can finish typing in 40 minutes. How many words are there in this manuscript?
打一份稿子，已经打了30%，剩下的如果每分钟打98个字，40分钟可以打完，这篇稿子共多少字？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">40 / (7/10)</gadget>
<output>400/7 = around 57.142857</output>

<gadget id="calculator">98 * (400/7)</gadget>
<output>5_600</output>

<result>5_600</result>