Tashi miscalculated a number divided by (7/10) as a number multiplied by (7/10), and the result was 15. What should be the correct result?
扎西把一个数除以(7/10)错算成一个数乘(7/10)，得出的结果是15，正确结果应该是多少．
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">15 / (7/10) / (7/10)</gadget>
<output>1_500/49 = around 30.612245</output>

<result>1_500/49 = around 30.612245</result>