How many wipes does it take to clean a keyboard?

thbjgctr[HUV93tqwbhj4yui89 4ruq9-tyq3t9qp36crioedfh qweoyq9f7ewr y9p7q8tr q37902t 4047yq3rqwrqorgq rp8oqgrqo8g8owg fp8ewfg o8wegf ofhu prhq439pyr q4t83q[i09[fi0a[fdshv payuhieyu463wsur58ry r927ct9y1y9f38qepw0t7f8qeje278ee0