# 2 - A Calculator

Ana Maria pressed the keys $1, 9, \times, 1, 0, 6$ and $=$ in one calculator and the result in 2014 appeared on the display. The highest digit that she pressed was 9.

Then she cleared the display and pressed six keys (instead of seven as above) to obtain 2014 again. In this second multiplication, which was the highest number whose key she have pressed?

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